PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3425-4Lock,breech,machine Gun

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 1005-01-536-5640 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-536-5640 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-536-5640. Primary manufacturer part number: 3425-4.
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 1005-01-536-5640, 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. (CAGE 26978); General 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)
Technical Specifications
ParameterValue
NSN1005-01-536-5640
Primary Part Number3425-4
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
5950-00-570-524734254 INTERCHANGEABLE
Transformer,power
Setra Systems, Inc. Dba Gems Sensors
5310-00-703-263530185 INTERCHANGEABLE
Nut,self-Locking,hexagon
Dana Corp Spicer Transmission Div
6210-01-210-1921ES2-18LPS INTERCHANGEABLE
Fixture,lighting
Lithonia Lighting National Services Industries Inc Div
6610-01-216-95243425-4 INTERCHANGEABLE
Tube Screw Assembly
Kearflex Engineering Company
5930-01-522-169034254 INTERCHANGEABLE
Switch Assembly
Conductix Inc Div Conductix Wampfler
5340-01-526-070934254 INTERCHANGEABLE
Clamp,synchro
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
3425-4 General Dynamics - Ots, Inc. (USA)
3425-4 PRIMARY General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
13028643 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
5950-00-570-5247INTERCHANGEABLE
TRANSFORMER,POWER
34254
5310-00-703-2635INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
30185
6210-01-210-1921INTERCHANGEABLE
FIXTURE,LIGHTING
ES2-18LPS
6610-01-216-9524INTERCHANGEABLE
TUBE SCREW ASSEMBLY
3425-4
5930-01-522-1690INTERCHANGEABLE
SWITCH ASSEMBLY
34254
5340-01-526-0709INTERCHANGEABLE
CLAMP,SYNCHRO
34254

Frequently Asked Questions

What is NSN 1005-01-536-5640?

NSN 1005-01-536-5640 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 1005-01-536-5640?

NSN 1005-01-536-5640 has 3 cross-referenced part numbers: 3425-4 (General Dynamics - Ots, Inc.), 3425-4 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 13028643 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 1005-01-536-5640?

There are 6 known substitutes for 1005-01-536-5640: 5950-00-570-5247, 5310-00-703-2635, 6210-01-210-1921 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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