PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7421Bar,t,teletypewriter

Telemechanics Inc · NSN 5815-00-125-4873 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-00-125-4873 — this item is cataloged by the U.S. Government under National Stock Number 5815-00-125-4873. Primary manufacturer part number: 7421.
Features
  • Bar,t,teletypewriter — FSC 5815
  • FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT
  • 6 verified cross-references
  • Primary manufacturer: Telemechanics Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bar,t,teletypewriter, cataloged under National Stock Number 5815-00-125-4873, is classified within Federal Supply Class 5815 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5815-00-125-4873
Primary Part Number7421
Item NameBar,t,teletypewriter
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
FSC Application DataTELETYPE AND FACSIMILE EQUIPMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6685-00-223-6819ML74A INTERCHANGEABLE
Rotor,psychrometer
Kahl Scientific Instrument Corporation
5930-00-239-04167421 INTERCHANGEABLE
Switch,push-Pull
Cole Hersee Company
5305-00-484-69147421 INTERCHANGEABLE
Screw,machine
Triumph Engine Control Systems Llc
2520-00-972-2001 INTERCHANGEABLE
Parts Kit,seal and
5962-01-018-0116515C2008-24-020 INTERCHANGEABLE
Microcircuit,digital
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
5962-01-039-5037 INTERCHANGEABLE
Microcircuit,digital
4940-01-186-2860742-1 INTERCHANGEABLE
Adapter,test
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
1005-01-225-38197421 INTERCHANGEABLE
Swivel,sling,small Arms
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
7421 American Telephone and Telegraph Co (USA)
7421 Lucent Technologies Inc Dba Federal Marketing Group (USA)
7421 At and T Corp (USA)
7421 PRIMARY Telemechanics Inc (USA)
7421 Zf Industrieantriebe Witten Gmbh (DEU)
7421 Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
6685-00-223-6819INTERCHANGEABLE
ROTOR,PSYCHROMETER
ML74A
5930-00-239-0416INTERCHANGEABLE
SWITCH,PUSH-PULL
7421
5305-00-484-6914INTERCHANGEABLE
SCREW,MACHINE
7421
2520-00-972-2001INTERCHANGEABLE
PARTS KIT,SEAL AND
5962-01-018-0116INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
515C2008-24-020
5962-01-039-5037INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4940-01-186-2860INTERCHANGEABLE
ADAPTER,TEST
742-1
1005-01-225-3819INTERCHANGEABLE
SWIVEL,SLING,SMALL ARMS
7421

Frequently Asked Questions

What is NSN 5815-00-125-4873?

NSN 5815-00-125-4873 is a Bar,t,teletypewriter, manufactured by Telemechanics Inc, classified under FSC 5815 (No Item Name Available). Status: active.

What are the part numbers for NSN 5815-00-125-4873?

NSN 5815-00-125-4873 has 6 cross-referenced part numbers: 7421 (American Telephone and Telegraph Co), 7421 (Lucent Technologies Inc Dba Federal Marketing Group), 7421 (At and T Corp), 7421 (Telemechanics Inc), 7421 (Zf Industrieantriebe Witten Gmbh) and 1 more.

What NSN replaces 5815-00-125-4873?

There are 8 known substitutes for 5815-00-125-4873: 6685-00-223-6819, 5930-00-239-0416, 5305-00-484-6914 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7421?

Key specifications for 7421: FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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