A TSO (Technical Standard Order) is a minimum performance standard for specified materials, parts, and appliances used on civil aircraft. When a manufacturer is authorized to produce a material, part, or appliance to a TSO standard, it is referred to as TSO authorization. For TSO parts like TSO-C6C, TSO-C5D, TSO-C4C, TSO-C6C, TSO-C4C, Purchasing Union is here to help. Owned and operated by ASAP Semiconductor, we have access to an inventory of more than two billion new and obsolete parts for the aerospace, civil aviation, and defense industries, all available with short lead times and competitive prices. For parts not in our inventory, our team of dedicated account managers can efficiently track them down though our extensive international supply chain network that spans United States. To begin the purchasing process immediately, submit an RFQ below. Sales representatives are standing by and will respond to your inquiries in 15 minutes or less, 24/7/365.
| TSO Number | TSO Holder Name | TSO Title | Part Model Number/Name | RFQ |
|---|---|---|---|---|
| tso-c6c | northrop grumman, litton | ltn-72 inu | 452080-05-xx, 452080-04, 452080-05, 452080-04-xx, | RFQ |
| tso-c5d | northrop grumman, litton | ltr81-01/ 81-02 ahru | 460800-04-05-23-21, 460800-04-05-33-31, 460800-04-05-32-30, 460800-01-02, 460800-02-03, 460800-03-04, 460800-03-06, 460800-03-07, 460800-04-05-12-10, 460800-04-05-13-11, | RFQ |
| tso-c4c | northrop grumman, litton | ltr-81-01 attitude heading and | 460800-01-01, | RFQ |
| tso-c6c | northrop grumman, litton | ltn-72r inu | 454620-01-xx, 454620-01-xxx, 454620-01, 454620-01-82-51, | RFQ |
| tso-c4c | northrop grumman, litton | ltr-97litton heading and attit | 465821-02-01, 465821-02-02, 465821-03-01, 465821-03-02, | RFQ |
| tso-c5d | northrop grumman, litton | ltn-90-100 irmp | 461320-01-02, | RFQ |
| tso-c88a | narco avionics aerospace | ar-850, | RFQ | |
| tso-c6d | northrop grumman, litton | ltn-90 msu | 460630-02, | RFQ |
| tso-c5c | northrop grumman, litton | ltn-76 inu | 454797-03, | RFQ |
| tso-c106 | northrop grumman systems | litton aero products ltn-101 a | 465000-03, | RFQ |
| tso-c35d | northern airborne technol | stereo audio panel with marker | ams50-(xxx) ecr 2246, | RFQ |
| tso-c5c | northrop grumman systems | litton inertial navigation sys | 454019-01, | RFQ |
| tso-c6d | northrop grumman, litton | ltr-97litton heading and attit | 465821-03-02, 465821-03-01, 465821-02-02, 465821-02-01, | RFQ |
| tso-c63c | narco avionics aerospace | 071-1220-02, kwx-56, 66-3065-00, 071-1220-05, 071-1220-03, 071-1220-01, 071-1220-00, 071-1220-04, | RFQ | |
| tso-c139 | nat seattle, inc. | dcoms | models 5520 pn 5520-003 mod 12, models 5520 pn 5520-002 mod 12, models 4420 pn 4420-0000 mod 12, models 5520 pn 5520-004 mod 12, models 5520 pn 5520-001 mod 12, | RFQ |
| tso-c145c | navworx incorporated | ads-b uat receiver with arinc | model ads600-b, p/n 200-0011-[]-[], | RFQ |
| tso-c40a | narco avionics corp. | nav 124, rnav 161, voa-8, voa-9, id824, id 124( ), com/nav-110, oc-110, nav 200, nav 122( ), nav 121, mark 24, id825, 824, nav100, | RFQ | |
| tso-c50c | northern airborne technol | intervox ii intercom system | model aa85-(xxx), | RFQ |
| tso-c50c | northern airborne technol | single user audio controller | n301a-xxx -519 derivative, n301a-xxx -526 derivative, n301a-xxx -518 derivative, n301a-xxx -043 derivative, n301a-xxx ecr 2101, n301a-xxx ecr 1815, n301a-xxx -531 derivative, n301a-xxx -032 derivative, n301a-xxx -039 derivative, n301a-xxx -038 derivative, n301a-xxx -037 derivative, n301a-xxx -036 de | RFQ |
| tso-c5e | northrop grumman, litton | ltn-58 msu | 451190-02, 451190-03, | RFQ |
| tso-c91a | northrop grumman componen | elt 92900000-03, 95200000-( )( )( ), | RFQ | |
| tso-c74c | narco avionics corp. | transponder | at155, | RFQ |
| tso-c4c | northrop grumman, litton | ltn-72 msu | 452100-01, 452100-02, | RFQ |
| tso-c35d | narco avionics corp. | id 124( ), nav 124( ), cp 135, cp 136, cp 136t, mkr 101, mkr 101r, mkr 101pl, nav 122( ), | RFQ | |
| tso-c5e | northrop grumman, litton | ltn-51 control display unit (c | 663550-05-xxx, 663550-05, 663550-04-xxx, 663550-04, | RFQ |
| tso-c6d | northrop grumman componen | rmi 321-( ), hsi-315-( ), bdi-302 ( ), 520-3150-( ), 520-4230-( )( ) ( ), 520-3210-( )( )( ), 520-415-( )( )( ), hsi-415-( ), | RFQ | |
| tso-c94 | norden systems | 701f p/n 160272-( ), ons vii 703 - p/n 160244, ons vii 701g - p/n 160293, 701v p/n 165375-007, 701a p/n 165364-002, | RFQ | |
| tso-c6c | northrop grumman, litton | ltn-90-100 irmp | 461320-01-02, | RFQ |
| tso-c50c | northern airborne technol | ams50-(xxx) stereo audio panel | ecr 2169 (mod 2), ecr 2206 (mod 3), | RFQ |
| tso-c6c | northrop grumman, litton | ltn-72rl & 92 cdu | 458900-04, 458900-09-02, 458900-09-01, 458900-08-02, 458900-08-01, 458900-06-01, 458900-03-03, 458900-03, 458900-02, 458900-01, 458900-07, | RFQ |
| tso-c164 | nivisys industries llc | night vision goggle | nvag-31601, | RFQ |
| tso-c5c | northrop grumman, litton | ltn-90-100 iru | 461800-02-04-120, 461800-01-101, 461800-02-04-125, 461800-02-04-105, 461800-02-122, 461800-04-08-116, 461800-0300-2202, 461800-0300-2201, 461800-03-122, 461800-0208-1606, 461800-0408-1606, 461800-0200-2201, 461800-02-111, 461800-02-102, 461800-02-08-116, 461800-0200-2202, 461800-04-122, | RFQ |
| tso-c6d | northrop grumman, litton | ltn-90-100 irmp | 461320-01-02, | RFQ |
| tso-c50c | northern airborne technol | audio selector panel | model 355 (xxx), model 355-005, model 355-004, model 355-003, model 355-002, model 355-001, model 355, model 300-(xxx), model 355-008, model 355-006, model 806-(xxx), model 807-(xxx), model 355-007, | RFQ |
| tso-c6c | northrop grumman, litton | ltn-72rl inu | 460500-01-xx, 460500-02-xx, 460500-03-xx, 460500-01-xx-xxx, | RFQ |
| tso-c41a | narco avionics corp. | adf 140, | RFQ | |
| tso-c5c | northrop grumman, litton | ltn-96 iru | 461800-02-106, | RFQ |
| tso-c5e | northrop grumman, litton | ltn-101 dual msu | 465630-02, | RFQ |
| tso-c4c | northrop grumman, litton | ltn-96-100 msu | 452100-02-02, | RFQ |
| tso-c4c | northrop grumman systems | litton aero products ltn-101 a | 465000-03, | RFQ |
| tso-c62d | national civil aviation a | tire | p/n 362k82-1, | RFQ |
| tso-c35d | northern airborne technol | stero audio panel | ams50-(xxx), | RFQ |
| tso-c149 | new hampshire ball bearin | radial metric series | r-100zzrda5p58lg68, | RFQ |
| tso-c6d | northrop grumman, litton | ltn-72 inu | 452080-05, 452080-05-xx, 452080-04-xx, 452080-04, | RFQ |
| tso-c6c | northrop grumman, litton | ltn-72 msu | 452100-01, 452100-02, | RFQ |
| tso-c90c | nordisk aviation products | 510333-1( ), 510333-2( ), | RFQ | |
| tso-c4c | northrop grumman, litton | ltn-91/90-100 isdu | 463600-01-01, | RFQ |
| tso-c5e | northrop grumman, litton | ltn-101 single msu | 465770-01, 466860-01, | RFQ |
| tso-c5c | northrop grumman, litton | ltn-90-100 triple msu | 465330-01, | RFQ |
| tso-c5e | northrop grumman, litton | ltn-72 align control display u | 460600-01, | RFQ |
| tso-c4c | northrop grumman, litton | ltn-91/90-100 msu | 463884-01, 461630-02, | RFQ |
| tso-c40c | narco avionics corp. | indicator | ni209 vor/loc/gs, | RFQ |
| tso-c123a | northern airborne technol | rvr-223 cvr control, p/n 903-5223-901, | RFQ | |
| tso-c4c | northrop grumman systems | litton inertial reference syst | 460516-01, 460516-13, | RFQ |
| tso-c5c | northrop grumman, litton | ltn-58 msu | 451190-02, 451190-03, | RFQ |
| tso-c6c | northrop grumman, litton | ltn-90 msu | 460630-02, | RFQ |
| tso-c36e | narco avionics corp. | indicator | ni209 vor/loc/gs, | RFQ |
| tso-c22a | national airlines, inc. | z-47-1133, z-47-1131, z-47-1132, z-47-1130, | RFQ | |
| tso-c5d | northrop grumman, litton | ltn-72rl & 92 cdu | 458900-09-02, 458900-01, 458900-02, 458900-03, 458900-03-03, 458900-04, 458900-06-01, 458900-07, 458900-08-01, 458900-09-01, 458900-08-02, | RFQ |
| tso-c4c | northrop grumman, litton | ltn-96-100 light emiting diode | 458900-03-05, | RFQ |
| tso-c149 | new hampshire ball bearin | ( )ri( )-1438( ) inch series, ssr-2, ssr-2llra1p49ly48u, ( )f-3( ) tapered o.d., ( )l( )-415( ) metric l series, ( )f-4( ) tapered o.d., ( )f-5( ) tapered o.d., ( )l( )-1150( ) metric l series, ( )l( )-1360( ) metric l series, ( )l( )-1680( ) metric l series, ( )l( )-1910( ) metric l series, ( )r( ) | RFQ | |
| tso-c39a | nordskog industries, inc. | 50403-( ), 50408-100, 50402, | RFQ | |
| tso-c6c | northrop grumman systems | litton inertial navigation sys | 452520-07, | RFQ |
| tso-c139 | northern airborne technol | passenger intercom amplifier | pia01-001, | RFQ |
| tso-c5d | northrop grumman, litton | ltr-81-01 attitude heading and | 460800-01-01, | RFQ |
| tso-c5c | northrop grumman systems | litton inertial navigation sys | 460502-03, | RFQ |
| tso-c50c | northern airborne technol | local ics loop | aa38-3xx, | RFQ |
| tso-c4c | northrop grumman systems | litton inertial navigation sys | 454019-01, | RFQ |
| tso-c90c | nordisk aviation products | ake container, type 2k2c | p/n 17000-1( ), | RFQ |
| tso-c6c | narco avionics corp. | hsi 100s( ), | RFQ | |
| tso-c5c | northrop grumman systems | litton system ltr-81-01 attitu | 454170-01, | RFQ |
| tso-c6c | northrop grumman, litton | ltn-90-100 iru | 461800-01-101, 461800-0208-1606, 461800-0200-2201, 461800-0408-1606, 461800-02-122, 461800-02-04-120, 461800-02-04-125, 461800-02-08-116, 461800-02-102, 461800-02-111, 461800-0200-2202, 461800-03-122, 461800-0300-2201, 461800-0300-2202, 461800-04-08-116, 461800-04-122, 461800-02-04-105, | RFQ |
| tso-c50c | northern airborne technol | passenger speaker amplifier | model 250-(xxx), model 240, model 251-(xxx), | RFQ |
| tso-c62d | national civil aviation a | aircraft tire | p/n 505c41-4, p/n 505c61-8, | RFQ |
| tso-c36a | narco avionics corp. | nav 200, | RFQ | |
| tso-c5c | northrop grumman, litton | ltn-72 inu | 452080-05-xx, 452080-04, 452080-05, 452080-04-xx, | RFQ |
| tso-c6c | northrop grumman, litton | ltn-91 iru | 461800-02-01-115, 461800-02-01-110, 461800-02-01-102, 461800-02-01-101, 461800-01-01-101, 461800-02-07-115, 461800-02-07-126, | RFQ |
| tso-c6d | northrop grumman, litton | ltn-101 cdu | 465010-0300-0300, | RFQ |
| tso-c6c | northrop grumman, litton | ltn-92 msu | 452100-02-03, | RFQ |
| tso-c5e | northrop grumman, litton | ltr-97litton heading and attit | 465821-03-02, 465821-03-01, 465821-02-02, 465821-02-01, | RFQ |
| tso-c6c | northrop grumman, litton | ltn-51 inertial navigation uni | 663450-14, 663450-07, 663450-08, 663450-12-xx, 663450-12, 663450-11, 663450-10, 663450-09, 663450-08-xx, | RFQ |
| tso-c23c | nat'l parachute supply, i | np7-1/-2/-3/-4, | RFQ | |
| tso-c5e | northrop grumman, litton | ltn-76 inu | 454797-03, | RFQ |
| tso-c52a | northrop grumman componen | cdi-5160-( ), 520-5160-( )( )( ), | RFQ | |
| tso-c5d | northrop grumman, litton | ltn-90-100 triple msu | 465330-01, | RFQ |
| tso-c5d | northrop grumman, litton | ltr-81-01 compass controller u | 461995-02, 461995-03, | RFQ |
| tso-c4c | northrop grumman systems | litton system ltn-90 inertial | 461650- ( ), | RFQ |
| tso-c5e | northrop grumman, litton | ltn-72 inu | 452080-05-xx, 452080-05, 452080-04-xx, 452080-04, | RFQ |
| tso-c5c | northrop grumman, litton | ltn-51 inertial navigation uni | 663450-11, 663450-14, 663450-12-xx, 663450-10, 663450-12, 663450-09, 663450-08-xx, 663450-08, 663450-07, | RFQ |
| tso-c5e | northrop grumman, litton | ltn-91/90-100 msu | 461630-02, 463884-01, | RFQ |
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