PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3443Lock,breech,machine Gun

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 1005-01-541-2479 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-541-2479 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-541-2479. Primary manufacturer part number: 3443.
Features
  • Lock,breech,machine Gun — FSC 1005
  • General Characteristics Item Description: MATERIAL STEEL ROD
  • 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 1005-01-541-2479, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-541-2479
Primary Part Number3443
Item NameLock,breech,machine Gun
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
StatusACTIVE
General Characteristics Item DescriptionMATERIAL STEEL ROD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-011-44960913177-2 INTERCHANGEABLE
Nut,plain,hexagon
Agco Corp Parts Opn
2520-00-714-76323-4-43 INTERCHANGEABLE
Yoke,end
Dana Corp Spicer Transmission Div
5930-00-813-5805684-473-9001 INTERCHANGEABLE
Switch,rotary
Honeywell International Inc. Div Aerospace - Torrance
5920-01-275-7228 INTERCHANGEABLE
Fuseholder,extractor Post
6515-01-319-27063443 INTERCHANGEABLE
Blade,arthroscopic,surgical
Dyonics Inc Sub of William H Rorer Inc
5330-01-319-92693443 INTERCHANGEABLE
Retainer,packing
Weil Pump Co Inc
5120-01-396-59223443 INTERCHANGEABLE
Handle,socket Wrench
Wright Tool Co
6515-01-422-620813-C INTERCHANGEABLE
Cuff,calf,cryothera
Aircast Inc
5306-01-532-69923443 INTERCHANGEABLE
Bolt Assembly
80/20, Llc
4720-01-602-53703443 INTERCHANGEABLE
Hose,nonmetallic
Anton Paar Usa, Inc
Cross-Reference Index
Part NumberManufacturer
3443 PRIMARY General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
13027997 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
3443 General Dynamics - Ots, Inc. (USA)
Related Parts
5310-00-011-4496INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0913177-2
2520-00-714-7632INTERCHANGEABLE
YOKE,END
3-4-43
5930-00-813-5805INTERCHANGEABLE
SWITCH,ROTARY
684-473-9001
5920-01-275-7228INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
6515-01-319-2706INTERCHANGEABLE
BLADE,ARTHROSCOPIC,SURGICAL
3443
5330-01-319-9269INTERCHANGEABLE
RETAINER,PACKING
3443
5120-01-396-5922INTERCHANGEABLE
HANDLE,SOCKET WRENCH
3443
6515-01-422-6208INTERCHANGEABLE
CUFF,CALF,CRYOTHERA
13-C
5306-01-532-6992INTERCHANGEABLE
BOLT ASSEMBLY
3443
4720-01-602-5370INTERCHANGEABLE
HOSE,NONMETALLIC
3443
6760-01-622-5001INTERCHANGEABLE
TRIPOD,PHOTOGRAPHIC
3443

Frequently Asked Questions

What is NSN 1005-01-541-2479?

NSN 1005-01-541-2479 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 1005-01-541-2479?

NSN 1005-01-541-2479 has 3 cross-referenced part numbers: 3443 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 13027997 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 3443 (General Dynamics - Ots, Inc.).

What NSN replaces 1005-01-541-2479?

There are 11 known substitutes for 1005-01-541-2479: 5310-00-011-4496, 2520-00-714-7632, 5930-00-813-5805 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3443?

Key specifications for 3443: General Characteristics Item Description: MATERIAL STEEL ROD. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com