PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3425-1Lock,breech,machine Gun

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 1005-01-530-9640 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-530-9640 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-530-9640. Primary manufacturer part number: 3425-1.
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 1005-01-530-9640, 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
NSN1005-01-530-9640
Primary Part Number3425-1
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
5845-00-373-277534251 INTERCHANGEABLE
Ring Asy
Raytheon Company Dba Raytheon
5330-00-737-2855 INTERCHANGEABLE
Gasket
6610-01-108-65083425-1 INTERCHANGEABLE
Tube Screw Assembly
Kearflex Engineering Company
9905-01-196-7059 INTERCHANGEABLE
Letter and Numeral Set,sign
5962-01-236-0405 INTERCHANGEABLE
Microcircuit,digital
5975-01-626-316434251 INTERCHANGEABLE
Conduit,metal,flexible
Anamet Electrical Inc
Cross-Reference Index
Part NumberManufacturer
3425-1 General Dynamics - Ots, Inc. (USA)
3425-1 PRIMARY General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
13028640 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
5845-00-373-2775INTERCHANGEABLE
RING ASY
34251
5330-00-737-2855INTERCHANGEABLE
GASKET
6610-01-108-6508INTERCHANGEABLE
TUBE SCREW ASSEMBLY
3425-1
9905-01-196-7059INTERCHANGEABLE
LETTER AND NUMERAL SET,SIGN
5962-01-236-0405INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5975-01-626-3164INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
34251

Frequently Asked Questions

What is NSN 1005-01-530-9640?

NSN 1005-01-530-9640 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 1005-01-530-9640?

NSN 1005-01-530-9640 has 3 cross-referenced part numbers: 3425-1 (General Dynamics - Ots, Inc.), 3425-1 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 13028640 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 1005-01-530-9640?

There are 6 known substitutes for 1005-01-530-9640: 5845-00-373-2775, 5330-00-737-2855, 6610-01-108-6508 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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