PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HANDSET/PTT/ATTHandset

National Security Agency · NSN 5965-01-300-9663 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-01-300-9663 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-300-9663. Primary manufacturer part number: HANDSET/PTT/ATT.
Features
  • Handset — FSC 5965
  • 3 verified cross-references
  • Primary manufacturer: National Security Agency
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Handset, cataloged under National Stock Number 5965-01-300-9663, is classified within Federal Supply Class 5965 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is National Security Agency. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHandset
FSC / FSG5965 — No Item Name Available (FSG 59)
ManufacturersLucent Technologies Inc Corporate Headquarters (CAGE 3B4M0); American Telephone and Telegraph Co (CAGE 64959); National Security Agency (CAGE 98230)
Technical Specifications
ParameterValue
NSN5965-01-300-9663
Primary Part NumberHANDSET/PTT/ATT
Item NameHandset
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerNational Security Agency
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2825-00-389-9759100203C01 INTERCHANGEABLE
Lever and Weight As
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5910-00-669-4818 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5935-01-178-7977 INTERCHANGEABLE
Insert,electrical Connector
5340-01-206-1346 INTERCHANGEABLE
Latch,flush
6510-01-287-813435-609 INTERCHANGEABLE
Bandage,rubber,surgical
Deroyal Industries Inc
Cross-Reference Index
Part NumberManufacturer
31157 Lucent Technologies Inc Corporate Headquarters (USA)
31157 American Telephone and Telegraph Co (USA)
HANDSET/PTT/ATT PRIMARY National Security Agency (USA)
Related Parts
2825-00-389-9759INTERCHANGEABLE
LEVER AND WEIGHT AS
100203C01
5910-00-669-4818INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5935-01-178-7977INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
5340-01-206-1346INTERCHANGEABLE
LATCH,FLUSH
6510-01-287-8134INTERCHANGEABLE
BANDAGE,RUBBER,SURGICAL
35-609

Frequently Asked Questions

What is NSN 5965-01-300-9663?

NSN 5965-01-300-9663 is a Handset, manufactured by National Security Agency, classified under FSC 5965 (No Item Name Available). Status: active.

What are the part numbers for NSN 5965-01-300-9663?

NSN 5965-01-300-9663 has 3 cross-referenced part numbers: 31157 (Lucent Technologies Inc Corporate Headquarters), 31157 (American Telephone and Telegraph Co), HANDSET/PTT/ATT (National Security Agency).

What NSN replaces 5965-01-300-9663?

There are 5 known substitutes for 5965-01-300-9663: 2825-00-389-9759, 5910-00-669-4818, 5935-01-178-7977 and 2 more. Verify interchangeability with system specifications before substitution.

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