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-C23B, TSO-C39A, TSO-C36B, TSO-C48, TSO-C171, 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-c23b | eagle systems | est-2-( ), | RFQ | |
| tso-c39a | engineering research and | 3000, 3401( ), 3400( ), 3300( ), 3200( ), 3102( ), 3101( ), 3100( ), 3002( ), 3003( ), | RFQ | |
| tso-c36b | elliott brothers(london) | ad260, | RFQ | |
| tso-c48 | electronics international | pressure transducer, 0-100 psi | pt-100ga, | RFQ |
| tso-c171 | esterline corporation | clamp, double mount multiple t | p/n ta07 ( ) ( ) ( ) ( ) ( ) ( ), | RFQ |
| tso-c47a | electronics international | fuel flow differential module | ffdm-1-mvp, | RFQ |
| tso-c30c | emteq europe gmbh | combined wing acl/position lig | 03-9800-xxxx, | RFQ |
| tso-c47a | electronics international | pressure transducer, 0-100 psi | pt-100ga, | RFQ |
| tso-c41c | eas | 2625 889-2625( )( )( ), | RFQ | |
| tso-c48 | electronics international | pressure transducer, 0-30 psi | pt-30ga, | RFQ |
| tso-c116 | essex pb&r corp. | crewmember protective breathin | mr-100(), p/n dp3113(),, mr-100(), p/n dp3113(),, | RFQ |
| tso-c49a | edo-aire | 22-279-( ), | RFQ | |
| tso-c40a | elliott brothers(london) | ad.260, ad380( ), ad370( ), | RFQ | |
| tso-c126 | elta sa | 406 mhz emergency locator tran | 02n60051( ), 01n6591( ), 02n69004( ), 01n6590(x)(x), | RFQ |
| tso-c45b | electronics international | absolute pressure transducer, | pt-90abs, | RFQ |
| tso-c165 | euroavionics gmbh | euronav 7, digital moving map | p/n 215.(xxx)-(xx)1, | RFQ |
| tso-c132 | ems satcom, ems technolog | subsystem kit | 1428-k-0001-02, mdl amt-700, | RFQ |
| tso-c55a | electronics international | pressure altitude transducer, | pt-30alt, | RFQ |
| tso-c43c | electronics international | pressure transducer, 0-100 psi | pt-100ga, | RFQ |
| tso-c44c | electronics international | differential pressure transduc | pt-04h2o, | RFQ |
| tso-c44a | eldec corporation | transmitter assembly | id9-127-27, ifd9-231-15, | RFQ |
| tso-c10 | edo-aire | g371, | RFQ | |
| tso-c132 | ems technologies canada l | hga-2110, white, 28vdc | model amt-3800, p/n 1242-a-0110-02, | RFQ |
| tso-c48 | electronics international | capacitive fuel level probe | p-300c-mini, p-300c, | RFQ |
| tso-c25 | executive air service, in | sw-1000 a1, model 100, sw-1000 a2, | RFQ | |
| tso-c47 | eldec corporation | transformer | 57-102-01, | RFQ |
| tso-c45b | electronics international | fuel flow differential module | ffdm-1-mvp, | RFQ |
| tso-c47a | electronics international | engine data converter (edc) fo | edc-33t-( ), | RFQ |
| tso-c72b | east wind industries, inc | md-4, | RFQ | |
| tso-c61a | emergency beacon corp. | ebc-202b, ebc-202a, ebc-102a, ebc-102, ebc-302v, ebc-302, | RFQ | |
| tso-c30c | emteq europe gmbh | external lighting system type | 03-9200-xxxx, p/n 03-9200-(), | RFQ |
| tso-c35c | elliott brothers(london) | ad260, | RFQ | |
| tso-c90c | emery worldwide | eww-3, eww-( ), eww-5, ewp-200, ewp-100, 2a5c, | RFQ | |
| tso-c48 | electronics international | engine data converter (edc) fo | edc-33p-( ), | RFQ |
| tso-c44c | electronics international | multi-functional display unit | mvp-50p-( ), | RFQ |
| tso-c47a | electronics international | resistive fuel level module | rflm-4-12/24, | RFQ |
| tso-c85b | epsilor-electric fuel ltd | survivor locator light | wab-h18-fr( ), | RFQ |
| tso-c44a | eldec corporation | end plate assemblies | 9-464122-01, 9-464115-01, | RFQ |
| tso-c45b | electronics international | pressure altitude transducer, | pt-30alt, | RFQ |
| tso-c49a | electromech/welco | em8002, em8001-5, em8001, em8000, | RFQ | |
| tso-c171 | esterline corporation | flip-loc flush mount hinged | p/n ta12 ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ), p/n ta12 ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ), | RFQ |
| tso-c43c | electronics international | differential pressure transduc | pt-04h2o, | RFQ |
| tso-c127a | eads sogerma services | double passenger seat type a, | ffcl4-(xxxxxx)-(xx), | RFQ |
| tso-c48a | electronics international | multi-functional display unit | model cgr-30 system, p/n cgr-30pt-(), model cgr-30 system, p/n cgr-30t-(), model cgr-30 system, p/n cgr-30u-(), model cgr-30 system, p/n cgr-30tt-(), model cgr-30 system, p/n cgr-30a-(), model cgr-30 system, p/n cgr-30c-(), model cgr-30 system, p/n cgr-30d-(), model cgr-30 system, p/n cgr-30h-(), mo | RFQ |
| tso-c123a | emh technologies | rvr-224, p/n 903-5224-( ), rvr-223, p/n 903-5223-( ), rvr-225, p/n 903-5225-( ), | RFQ | |
| tso-c127a | embraer aero seating tech | single fwd / aft facing seats | p/n 70701-11-(xxx)-(yy), p/n 70701-12-(xxx)-(yy), | RFQ |
| tso-c49b | electronics international | fuel flow transducer, 0.6 ? 12 | ft-90, | RFQ |
| tso-c171 | esterline corporation | clamp, double mount single tub | p/n ta06 ( ) ( ) ( ) ( ) ( ) ( ), | RFQ |
| tso-c171 | esterline corporation | clamp multiple loop | p/n ta041a( )( )( )( )( )( ), p/n ta04( )( )( )( )( )( ), p/n ta05( )( )( )( )( )( ), | RFQ |
| tso-c39c | embraer aero seating tech | single rh side facing divan | p/n 70711-12-(xxx)-(yy), | RFQ |
| tso-c55a | electronics international | fuel flow transducer, 0.6 ? 70 | ft-60, | RFQ |
| tso-c50a | electronic equip. engrg. | 728001, | RFQ | |
| tso-c132 | ems satcom, ems technolog | hd-710 high speed data termina | 1252-a-3700-02, hd-710, | RFQ |
| tso-c39c | embraer aero seating tech | double passenger rh fwd facing | p/n 71054-12-(xxx)-(yy), | RFQ |
| tso-c44a | eldec corporation | fuel flow transmitters & indic | 9-328217-02, 9-328220-01, 9-328217-03, 9-328217-01, 9-118100-03, 9-127105-01, 9-127105-02, 9-127105-03, 9-118100-07, 9-118100-06, 9-118100-05, 9-118100-04, 9-127105-04, 9-127170-04, 9-1271220-08, 9-127170-01, 9-127170-03, 9-1271220-04, 9-127170-05, 9-127170-06, 9-127170-02, 9-1271220-07, 9-1271220-0 | RFQ |
| tso-c55a | electronics international | fuel flow transducer, 0.6 ? 25 | ft-180, | RFQ |
| tso-c48 | electronics international | multi-functional display unit | mvp-50p-( ), | RFQ |
| tso-c43c | electronics international | multi-functional display unit | mvp-50t-( ), | RFQ |
| tso-c3b | electric gyro corporation | 1394t100-3( ), 1234t100, 1234t100-7( ), 1394t100( ), 1234t100-5( ), | RFQ | |
| tso-c126a | emerging lifesaving techn | remote switch | pn 816-59-06, | RFQ |
| tso-c43c | electronics international | fuel flow transducer, 0.6 ? 25 | ft-180, | RFQ |
| tso-c113 | esterline belgium | control display and management | p/n k9321050a(xxx)-(xx) excluding p/n k9321050a000-(xx) and p/n k9321050a010-(xx), p/n k9321051a(xxx)-(xx), | RFQ |
| tso-c66b | electronique aerospatiale | vor/dme bcn 2223 899-2223( )( )( ), | RFQ | |
| tso-c66b | emh technologies | rnx-312 901-4312-( ), rcn-312 901-7312-( ), rnn-312 901-3312-( ), rnc-312 901-9312- ), rnx-321 902-7321- ( ), | RFQ | |
| tso-c44c | electronics international | differential pressure transduc | pt-05diff, | RFQ |
| tso-c78 | e.r.o.s. equipments respi | mxm23, mxp210( ), mc 10-25-01, mc 10-15-01, mc 10-19-01, mc 10-13-02, mf10-( )( )-( )( ), mc 10-08-00, mb10( )( ), mc 10-14-00, ma10( )( ), mc 10-( )( )-(1)( )( ), mc10( )( ), mc5, | RFQ | |
| tso-c132 | ems satcom, ems technolog | amt-3800 hga, black, 28vdc | 1242-a-0010-32, amt-3800, | RFQ |
| tso-c40c | emh technologies | rnx-312, rnn-312, rcn-312, rnx-321, | RFQ | |
| tso-c96a | emteq | position light assembly (type | p/n 03-9000-( )-n, | RFQ |
| tso-c47a | electronics international | multi-functional display unit | model cgr-30 system, p/n cgr-30ht-(), model cgr-30 system, p/n cgr-30h-(), model cgr-30 system, p/n cgr-30d-(), model cgr-30 system, p/n cgr-30c-(), model cgr-30 system, p/n cgr-30a-(), model cgr-30 system, p/n cgr-30p-(), model cgr-30 system, p/n cgr-30u-(), model cgr-30 system, p/n cgr-30tt-(), mo | RFQ |
| tso-c34b | electronique aerospatiale | rd671, rga671, | RFQ | |
| tso-c44a | eldec corporation | pick-off coil assy | 9-231104-01, (eco) 512266, 9-231104-01, (eco) 512337, | RFQ |
| tso-c47 | eldec corporation | inductor | 9-138862-01, 9-422617-01, | RFQ |
| tso-c44b | eldec corporation | pick-off coil | 9-127254-01, | RFQ |
| tso-c48 | electronics international | fuel flow transducer, 0.6 ? 12 | ft-90, | RFQ |
| tso-c10b | edo-aire | 375b, 1u309, 375a, 1u306, | RFQ | |
| tso-c127a | embraer aero seating tech | double fwd / aft facing seats | p/n 70702-12-(xxx)-(yy), p/n 70702-11-(xxx)-(yy), | RFQ |
| tso-c13e | eastern aero marine | kse35l8 po723e105p/po723e109p, | RFQ | |
| tso-c47a | electronics international | differential pressure transduc | pt-04h2o, | RFQ |
| tso-c9c | edo-aire mitchell | dg/nsd 360 52d137-1333, 4066453-902, 52d136-( ), 52d137-( ), 7003183-913, 7008439, 4066453-901, dg/nsd 360 52d137-1332, 1c774-( ), dg/nsd 360 52d137-2331, dg/nsd 360 52d137-2334, 7011050, 1d772-( ), 1d757-( ), 1d496-( )fd/ap, 1c771-( ), 1c763-( ), 1c753-( ), 1c727-( ), 1c722-( ), 1c718-( ), 1c714-( | RFQ | |
| tso-c132 | ems satcom, ems technolog | hd-710 high speed data termina | 1252-a-3600-02, hd-710, | RFQ |
| tso-c96a | emteq europe gmbh | anti-collision light | 03-9501-(xxxx), | RFQ |
| tso-c113 | euroavionics gmbh | euronav 7, digital moving map | p/n 215.(xxx)-(xx)1, | RFQ |
| tso-c45b | electronics international | engine data converter (edc) fo | edc-33p-( ), | RFQ |
| tso-c45b | electronics international | resistive fuel level module | rflm-4-12/24, | RFQ |
| tso-c49b | electronics international | fuel flow differential module | ffdm-1-mvp, | RFQ |
| tso-c43c | electronics international | pressure transducer, 0-3000 ps | pt-3000s, | RFQ |
| tso-c45 | edo-aire | 1u028-005-( ), 1u028-( )-( ), | RFQ | |
| tso-c52 | edo-aire mitchell | 1c543-1, 1b537( ), 1c497-6, 1c497( ), fd283( ), 1c543( ), 1d494( ), 1d496( ), 1d695, 52b110( ), 52c77( ), 52c78( ), 1c497-8, | RFQ | |
| tso-c44c | eldec corporation | fuel flowmeter | p/n 9-217-94, | RFQ |
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