PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3425-9Lock,breech,machine Gun

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 1005-01-536-5643 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-536-5643 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-536-5643. Primary manufacturer part number: 3425-9.
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 1005-01-536-5643, 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. 1 verified substitute exists 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); General Dynamics - Ots, Inc. (CAGE 26978); Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (CAGE 19200)
Technical Specifications
ParameterValue
NSN1005-01-536-5643
Primary Part Number3425-9
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 1
3110-00-090-672134-259 INTERCHANGEABLE
Bearing
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
3425-9 PRIMARY General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
3425-9 General Dynamics - Ots, Inc. (USA)
13028648 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
3110-00-090-6721INTERCHANGEABLE
BEARING
34-259

Frequently Asked Questions

What is NSN 1005-01-536-5643?

NSN 1005-01-536-5643 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 1005-01-536-5643?

NSN 1005-01-536-5643 has 3 cross-referenced part numbers: 3425-9 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 3425-9 (General Dynamics - Ots, Inc.), 13028648 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 1005-01-536-5643?

There is 1 known substitute for 1005-01-536-5643: 3110-00-090-6721. Verify interchangeability with system specifications before substitution.

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