PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3425-7Lock,breech,machine Gun

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 1005-01-536-5639 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-536-5639 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-536-5639. Primary manufacturer part number: 3425-7.
Features
  • Lock,breech,machine Gun — FSC 1005
  • 3 verified cross-references
  • Primary manufacturer: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lock,breech,machine Gun, cataloged under National Stock Number 1005-01-536-5639, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameLock,breech,machine Gun
FSC / FSG1005 — No Item Name Available (FSG 10)
ManufacturersGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (CAGE 05606); Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (CAGE 19200); General Dynamics - Ots, Inc. (CAGE 26978)
Technical Specifications
ParameterValue
NSN1005-01-536-5639
Primary Part Number3425-7
Item NameLock,breech,machine Gun
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5360-00-680-3379N34252 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
6695-01-065-476834257 INTERCHANGEABLE
Kit,maintenance Set
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
4920-01-110-378034257 INTERCHANGEABLE
Assembly Spacer
Safe Flight Instrument, Llc
7690-01-168-887234257 INTERCHANGEABLE
Marker,identification
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
4130-01-281-880834257 INTERCHANGEABLE
Receiver-Drier,refr
Standard Motor Products
2530-01-381-9957SW34257 INTERCHANGEABLE
Parts Kit,axle,vehicular,nondriv
Drs Sustainment Systems Inc
Cross-Reference Index
Part NumberManufacturer
3425-7 PRIMARY General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
13028646 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
3425-7 General Dynamics - Ots, Inc. (USA)
Related Parts
5360-00-680-3379INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
N34252
6695-01-065-4768INTERCHANGEABLE
KIT,MAINTENANCE SET
34257
4920-01-110-3780INTERCHANGEABLE
ASSEMBLY SPACER
34257
7690-01-168-8872INTERCHANGEABLE
MARKER,IDENTIFICATION
34257
4130-01-281-8808INTERCHANGEABLE
RECEIVER-DRIER,REFR
34257
2530-01-381-9957INTERCHANGEABLE
PARTS KIT,AXLE,VEHICULAR,NONDRIV
SW34257

Frequently Asked Questions

What is NSN 1005-01-536-5639?

NSN 1005-01-536-5639 is a Lock,breech,machine Gun, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-536-5639?

NSN 1005-01-536-5639 has 3 cross-referenced part numbers: 3425-7 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 13028646 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 3425-7 (General Dynamics - Ots, Inc.).

What NSN replaces 1005-01-536-5639?

There are 6 known substitutes for 1005-01-536-5639: 5360-00-680-3379, 6695-01-065-4768, 4920-01-110-3780 and 3 more. Verify interchangeability with system specifications before substitution.

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