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-C55A, TSO-C44B, TSO-C171, TSO-C59, TSO-C35D, 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-c55a | electronics international | pressure transducer, 0-30 psi | pt-30ga, | RFQ |
| tso-c44b | eldec corporation | probe | 9-231209-01, | RFQ |
| tso-c171 | esterline corporation | clamp, double mount multiple t | p/n ta07 ( ) ( ) ( ) ( ) ( ) ( ), | RFQ |
| tso-c59 | elliott brothers(london) | ad900( ), type 2880, | RFQ | |
| tso-c35d | emh technologies | rtm-311, | RFQ | |
| tso-c43c | electronics international | resistive fuel level module | rflm-4-12/24, | RFQ |
| tso-c91a | elta sa | remote control panel | 04n6812( )( ), 97n9023(x), | RFQ |
| tso-c36c | edo-aire mitchell | 1c707-( ), | RFQ | |
| tso-c44a | eldec corporation | 9-217-33, 9-217-42, 9-231-02, -03, -06, -05, -07, -10, -13, -23, -29, 9-217-44, 9-217-45, 9-217-54, 9-217-59, 9-464-xx, 9-217-12, -42, -44, -46, 9-138-( ), 9-328-( ), 9-464-87, 9-231-28, 9-231-xx, 9-441-08, 9-422-01, 9-394-01, 9-441-xx, 9-118-( ), 9-116-( ), 9-138-16, 9-127-70, 9-127-xx, 9-127-( ), | RFQ | |
| tso-c90c | envirotainer engineering | cargo pallets, nets, and conta | rkn p/n ft-120005r, rkn p/n ft-120005r, rgx p/n ft-2701r, rgx p/n ft-2701r, | RFQ |
| tso-c49b | electronics international | fuel flow transducer, 0.6 ? 12 | ft-90, | RFQ |
| tso-c127a | embraer aero seating tech | single lh fwd facing seats | p/n 71040-11-(xxx)-(yy), | RFQ |
| tso-c90c | envirotainer engineering | rkne1, thermal insulated ld3 a | p/n 120007r( ), | RFQ |
| tso-c96a | emteq europe gmbh | power supply | pn 04-5000-xxxx, | RFQ |
| tso-c127a | eads sogerma services | double passenger seat type a, | ffcl4-(xxxxxx)-(xx), | RFQ |
| tso-c44a | eldec corporation | transmitter assembly | id9-127-27, ifd9-231-15, | RFQ |
| tso-c44a | eldec corporation | cca | 9-464622-01, | RFQ |
| tso-c132 | ems technologies canada l | hga-2110, white, 115vac | model amt-3800, p/n 1242-a-0110-01, | RFQ |
| tso-c55a | electronics international | multi-functional display unit | mvp-50t-( ), | RFQ |
| tso-c72b | eastern aero marine | ga-12( ), | RFQ | |
| tso-c47a | electronics international | engine data converter (edc) fo | edc-33t-( ), | RFQ |
| tso-c39c | embraer aero seating tech | single passenger fwd & aft fac | p/n 71051-11-(xxx)-(yy), p/n 71052-11-(xxx)-(yy), p/n 71051-12-(xxx)-(yy), p/n 71052-12-(xxx)-(yy), | RFQ |
| tso-c127a | embraer aero seating tech | single rh aft facing seats | p/n 71040-13-(xxx)-(yy), | RFQ |
| tso-c47a | electronics international | pressure transducer 0-300 psi | pt-300ga, | RFQ |
| tso-c44c | electronics international | pressure transducer, 0-100 psi | pt-100ga, | RFQ |
| tso-c41d | emh technologies | rax-312, rax-311, raa-312, | RFQ | |
| tso-c171 | esterline corporation | mounting bracket fixed | p/n ta11 ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ), | RFQ |
| tso-c45b | electronics international | pressure altitude transducer, | pt-30alt, | RFQ |
| tso-c113 | esterline belgium | flight display | p/n k9321060a(xx)-(xx), p/n k9321061a(yy)-(xx), | RFQ |
| tso-c50 | edo-aire | 169( ), 22-279-( )( ), | RFQ | |
| tso-c47a | electronics international | pressure transducer, 0-3000 ps | pt-3000s, | RFQ |
| tso-c96a | emteq europe gmbh | combined rear acl/position lig | 03-9302-(), | RFQ |
| tso-c45b | electronics international | differential pressure transduc | pt-05diff, | RFQ |
| tso-c49b | electronics international | differential pressure transduc | pt-05diff, | RFQ |
| tso-c49b | electronics international | absolute pressure transducer, | pt-90abs, | RFQ |
| tso-c49b | electronics international | multi-functional display unit | mvp-50t-( ), | RFQ |
| tso-c48 | electronics international | differential pressure transduc | pt-05diff, | RFQ |
| tso-c60b | executive technical serv. | 802100-( ), | RFQ | |
| tso-c43a | electronics international | egt 6 channels | e-6, | RFQ |
| tso-c80 | engineered fabrics corpor | fuel tank material | btc-116, | RFQ |
| tso-c68 | elliott brothers(london) | ad.560, | RFQ | |
| tso-c45b | electronics international | fuel flow transducer, 0.6 ? 25 | ft-180, | RFQ |
| tso-c43a | electronics international | dual cht w/light | cc-1p-( ), | RFQ |
| tso-c43a | electronics international | egt/cht | ec-1, | RFQ |
| tso-c113 | eventide, inc. | 7000-xx-xx, 5000-10-07, 3000-00-30, 5000, 5000-xx-xx, 5000/ce, 5007-01/-02, 7000, argus 7000/ce, 7007-01/-02, argus 5000 (s/w ver. 05.04), argus 5000 (s/w ver. 05.10), argus 5000/ce, 3000-xx-xx, argus 7000 (s/w ver. 05.04), argus 7000 (s/w ver. 05.10), 7000/ce, | RFQ | |
| tso-c50b | edo-aire | 1u396-002, | RFQ | |
| tso-c44b | eldec corporation | fuel flow transmitters | 9-127205-101, 9-127105-01-999, 9-127105-04?999, 9-127119-02, 9-127135-01, 9-127135-02, 9-127278-101, 9-127171-01, 9-127278-01, 9-127135-04, 9-231114-04, 9-231244-02, 9-127167-01, | RFQ |
| tso-c99 | eros intertechnique bp-10 | mf10( )( )-( )( ), mf1902-(x), | RFQ | |
| tso-c44a | eldec corporation | nut, spanner driver assembly | 9-127015-01, | RFQ |
| tso-c4c | edo-aire mitchell | fd/ap282 52c77( ), fd/283 52c77( ), | RFQ | |
| tso-c70a | eastern aero marine | life raft | model eam-t4as, p/n r1200-( ), model eam-t10as, p/n r1300-( ), model eam-t7as, p/n r1500-( ), eam-t14as, p/n r1400-( ), eam-t14as, p/n r1400-( ), model eam-t9s, p/n r1450-( ), model eam-t7as, p/n r1500-( ), eam-t4s, p/n r1350-( ), eam-t4s, p/n r1350-( ), model eam-t9s, p/n r1450-( ), | RFQ |
| tso-c99 | essex pb&r corp. | portable breathing equipment ( | mr-100, dp3113, | RFQ |
| tso-c45 | edo-aire | 1u028-005-( ), 1u028-( )-( ), | RFQ | |
| tso-c47a | electronics international | pressure transducer, 0-30 psi | pt-30ga, | RFQ |
| tso-c4 | edo-aire | 500( ), 23-1276, 5000( ), 661062, 646040, 656768, | RFQ | |
| tso-c48 | electronics international | pressure altitude transducer, | pt-30alt, | RFQ |
| tso-c90c | envirotainer engineering | rape2 thermal insulated ld9 ai | p/n 140010r-(), | RFQ |
| tso-c43c | electronics international | absolute pressure transducer, | pt-30abs, | RFQ |
| tso-c13c | emergency systems inter'l | 2000200-( ) ser., | RFQ | |
| tso-c127a | eads sogerma | double seat, type a, forward f | p/n fjeq4-(xxxxxx)-(xx), | RFQ |
| tso-c48 | electronics international | fuel flow transducer, 0.6 ? 12 | ft-90, | RFQ |
| tso-c27 | edo-aire | 696-3500, 696m3500, 797-2500, | RFQ | |
| tso-c45b | electronics international | fuel flow transducer, 0.6 ? 70 | ft-60, | RFQ |
| tso-c45b | electronics international | multi-functional display unit | model cgr-30 system, p/n cgr-30tt-(), model cgr-30 system, p/n cgr-30pt-(), model cgr-30 system, p/n cgr-30p-(), model cgr-30 system, p/n cgr-30ht-(), 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-30h-(), m | RFQ |
| tso-c45b | electronics international | pressure transducer, 0-100 psi | pt-100ga, | RFQ |
| tso-c70a | eastern aero marine | eam-t12, eam-t25, eam-t2,, eam-t9, eam-t6a, eam-t6, eam-t46, eam-t4, | RFQ | |
| tso-c55a | electronics international | differential pressure transduc | pt-04h2o, | RFQ |
| tso-c49a | eldec corporation | transformer | 57-102-01, | RFQ |
| tso-c56 | electromech/welco | em8003-1, -2, | RFQ | |
| tso-c44c | electronics international | absolute pressure transducer, | pt-90abs, | RFQ |
| tso-c132 | ems satcom, ems technolog | amt-3800 hga, white, 115vac | 1242-a-0010-01, amt-3800, | RFQ |
| tso-c45b | electronics international | capacitive fuel level probe | p-300c-mini, p-300c, | RFQ |
| tso-c44c | electronics international | capacitive fuel level probe | p-300c-mini, p-300c, | RFQ |
| tso-c38c | emh technologies | rcc-312, rcn-312, rct-312, rcx-312, | RFQ | |
| tso-c43 | eldec corporation | fuel flow indicators | 9-198010-02, | RFQ |
| tso-c44c | electronics international | pressure transducer, 0-3000 ps | pt-3000s, | RFQ |
| tso-c85a | electric fuel ltd. 5, kir | wab-h18, | RFQ | |
| tso-c6c | edo-aire mitchell | 52c78( ), dg/nsd 360 52d137-2334, dg/nsd 360 52d137-2331, 52d137-( ), dg/nsd 360 52d137-1332, 52b110( ), 1d755-( ), 1d494( ), 1c722-( ), 1c714-( ), 1b537( ), dg/nsd 360 52d137-1333, fd/ap282, fd283( ), | RFQ | |
| tso-c41a | elliott brothers(london) | ad712, | RFQ | |
| tso-c127a | embraer aero seating tech | single passenger seats | p/n 70501-12-(xxx)-(yy), p/n 70501-11-(xxx)-(yy), | RFQ |
| tso-c37c | emh technologies | rnc-312, rcx-312, rct-312, rcn-312, rcc-312, | RFQ | |
| tso-c47a | electronics international | differential pressure transduc | pt-04h2o, | RFQ |
| tso-c132 | ems satcom, ems technolog | hd-710 high speed data termina | 1252-a-3700-01, hd-710, | RFQ |
| tso-c8 | edo-aire | 22-202-( ), 22-200, 1409-( )-( ), 1403-( )-( ), 22-204-( ), g993, g991, | RFQ | |
| tso-c44a | eldec corporation | electronic package assembly | 9-115160-03, 9-115160-02, | RFQ |
| tso-c171 | esterline corporation | flip-loc flush mount hinged | p/n ta12 ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ), p/n ta12 ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ), | RFQ |
| tso-c45b | electronics international | absolute pressure transducer, | pt-90abs, | RFQ |
| tso-c126 | elta sa | remote control panel | 04n6812( )( ), | RFQ |
| tso-c41c | elliott brothers(london) | ad360( ), ad380( ), ad370( ), | RFQ | |
| tso-c127 | eads sogerma services | bench | fhec1-(xxxxxx)-(xx), | RFQ |
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