PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4251-00Module,telephone

Charles Industries, Llc Div Telecom · NSN 5805-01-073-8770 · FSC 5805 · No Item Name Available
Verified by PartsTable
NSN 5805-01-073-8770 — this item is cataloged by the U.S. Government under National Stock Number 5805-01-073-8770. Primary manufacturer part number: 4251-00.
Features
  • Module,telephone — FSC 5805
  • FSC Application Data: TELEPHONE AND TELEGRAPH EQUIPMENT
  • 3 verified cross-references
  • Primary manufacturer: Charles Industries, Llc Div Telecom
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Module,telephone, cataloged under National Stock Number 5805-01-073-8770, is classified within Federal Supply Class 5805 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Charles Industries, Llc Div Telecom. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5805-01-073-8770
Primary Part Number4251-00
Item NameModule,telephone
FSC / FSG5805 / 58 — No Item Name Available
ManufacturerCharles Industries, Llc Div Telecom
StatusACTIVE
FSC Application DataTELEPHONE AND TELEGRAPH EQUIPMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5985-00-105-2943439A INTERCHANGEABLE
Attenuator,variable
Kay Elemetrics Corporation
5910-00-280-7545 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cross-Reference Index
Part NumberManufacturer
439A Panex Inc (USA)
4251-00 PRIMARY Charles Industries, Llc Div Telecom (USA)
TLC4251 I T I Electronics, Inc. (USA)
Related Parts
5985-00-105-2943INTERCHANGEABLE
ATTENUATOR,VARIABLE
439A
5910-00-280-7545INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC

Frequently Asked Questions

What is NSN 5805-01-073-8770?

NSN 5805-01-073-8770 is a Module,telephone, manufactured by Charles Industries, Llc Div Telecom, classified under FSC 5805 (No Item Name Available). Status: active.

What are the part numbers for NSN 5805-01-073-8770?

NSN 5805-01-073-8770 has 3 cross-referenced part numbers: 439A (Panex Inc), 4251-00 (Charles Industries, Llc Div Telecom), TLC4251 (I T I Electronics, Inc.).

What NSN replaces 5805-01-073-8770?

There are 2 known substitutes for 5805-01-073-8770: 5985-00-105-2943, 5910-00-280-7545. Verify interchangeability with system specifications before substitution.

What are the specifications of 4251-00?

Key specifications for 4251-00: FSC Application Data: TELEPHONE AND TELEGRAPH 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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