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Telephone Jack/U92B/U, front mounted, commercial / military, M9177/4-1, 4 conductor, overall length: 1.391 inch, contact diameter: .285 inch. For use with TP-101, TP-102, TP-120. TJT-102

Telephone Jack/U92B/U, front mounted, commercial / military, M9177/4-1, 4 conductor, overall length: 1.391 inch, contact diameter: .285 inch. For use with TP-101, TP-102, TP-120. TJT-102
Telephone Jack/U92B/U, front mounted, commercial / military, M9177/4-1, 4 conductor, overall length: 1.391 inch, contact diameter: .285 inch. For use with TP-101, TP-102, TP-120. TJT-102
TELEPHONE JACK/U92B/U, front mounted, commercial / military, M9177/4-1, 4 conductor, overall length: 1.391 inch, contact diameter: .285 inch. For use with TP-101, TP-102, TP-120. TJT-102
TJT-102 Threaded 4-conductor Telephone Jack

The TJT-102 threaded telephone jack is a front panel-mounted jack with four contacts. Mates with Nexus series TP-120 and TP-102 plugs.


  • Panel-mounted version of the TJ-102 jack
  • Mates with Nexus series TP-120 and TP-102 plugs
  • Includes: TJT-120-3 11/16 internal tooth lock washer, TJT-120-2 11/16 nut

Product Codes

Mfr Part No:TJT-102
MIL SPEC:M9177/4-1 / MIL-C-9177
ECCN:EAR99
MIL SPEC:M9177/4-1 / MIL-C-9177
SCHEDULE B CODE:8536.69.4020


Dimensions: 0.719 x 0.719 x 1.391 inNumber of Contacts: 4Contact Diameter: 0.285 inShell Diameter: plasticContact Material: nickel-plated, beryllium copperThread: 11/16-24 UNEF-2AStandard: MIL-C-9177Solder Contact Terminals: pre-tinned over nickel platingContact Resistance: ≤0.02 ΩInsulation Resistance: ≥1,000 mΩDielectric Withholding Voltage: ≥500 V RMSInsertion Force: 13 lb, maximumWithdrawal Force: 6 to 10 lb

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  • Stock: Warehouse
  • Manufacturer Part #: TJT-102
$42.78

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Returns & refund summary

  • 30-day return window — with prior return authorization, unopened in original packaging.
  • Restocking fee: 20% on unopened items, 30% on open-box items.
  • Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
  • Return shipping: paid by buyer.
  • Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.

Full terms: Return Policy.

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All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.

See our full Manufacturer Authorizations page for the current per-brand status.

Need traceability paperwork?

If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.

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