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Telephone Plug/U174/U, commercial, non mil spec, 4 conductor, overall diameter of plug housing .500 inch, overall length: 1.906 inch, contact diameter: .281 inch , plug contact length: .761 inch. TP-120

Telephone Plug/U174/U, commercial, non mil spec, 4 conductor, overall diameter of plug housing .500 inch, overall length: 1.906 inch, contact diameter: .281 inch , plug contact length: .761 inch.  TP-120
Telephone Plug/U174/U, commercial, non mil spec, 4 conductor, overall diameter of plug housing .500 inch, overall length: 1.906 inch, contact diameter: .281 inch , plug contact length: .761 inch. TP-120
TELEPHONE PLUG/U174/U, commercial, non mil spec, 4 conductor, overall diameter of plug housing .500 inch, overall length: 1.906 inch, contact diameter: .281 inch , plug contact length: .761 inch. TP-120
TP-120 4-Conductor Telephone Plug

The TP-120 telephone plug is a four-conductor plug with nickel-plated, brass contacts molded into a plastic body. 


  • 4-Conductor telephone plug
  • Mates with Nexus series TJ-120, TJ-102, and TJ-101 jacks
  • Includes: TP-120-8 shell, TP-120-5 stack assembly, TP-120-1 contact #1, TP-120-2 contact #2, TP-120-3 contact #3, TP-120-4 contact #4, TP-120-6 cable retainer

Product Codes

Mfr Part No:TP-120
ECCN:EAR99
SCHEDULE B CODE:8536.69.4020


Dimensions: 1.906 x 1/2 inNumber of Conductors: 4Contact Dimeter: 0.281 inContact Length: 0.761 inShell Material: PlasticContact Material: nickel-plated brassSolder Contact Terminals: pre-tinned over nickel platingContact Resistance: ≤ 0.02ΩInsulation Resistance: ≥1,000 MΩDielectric Withstanding Voltage: ≥ 500 V RMSInsertion Force: 13 lb, maximumWithdrawal Force: 6 – 10 lb

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  • Stock: Warehouse
  • Manufacturer Part #: TP-120
$43.36

Aircraft Fitment Finder

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 only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
  • Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
  • 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.

Authenticity & authorization

We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed 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.

Shipping

Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.