PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12583Lever,breechblock,cocking

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 1005-01-626-4251 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-626-4251 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-626-4251. Primary manufacturer part number: 12583.
Features
  • Lever,breechblock,cocking — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lever,breechblock,cocking, cataloged under National Stock Number 1005-01-626-4251, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameLever,breechblock,cocking
FSC / FSG1005 — No Item Name Available (FSG 10)
ManufacturersBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (CAGE 0BT64)
Technical Specifications
ParameterValue
NSN1005-01-626-4251
Primary Part Number12583
Item NameLever,breechblock,cocking
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3040-00-909-5359 INTERCHANGEABLE
Bracket,eye,nonrotating Shaft
5950-01-058-8581905543-1 INTERCHANGEABLE
Reactor,multiple Fixed Inductanc
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-01-098-155912580 INTERCHANGEABLE
Seal,plain
Aerco International, Inc. Dba Aerco International Inc
5970-01-204-331612583 INTERCHANGEABLE
Insulator,plate
Grimes Aerospace Company
3040-01-342-648112583 INTERCHANGEABLE
Axle,straight
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
12583 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
3040-00-909-5359INTERCHANGEABLE
BRACKET,EYE,NONROTATING SHAFT
5950-01-058-8581INTERCHANGEABLE
REACTOR,MULTIPLE FIXED INDUCTANC
905543-1
5330-01-098-1559INTERCHANGEABLE
SEAL,PLAIN
12580
5970-01-204-3316INTERCHANGEABLE
INSULATOR,PLATE
12583
3040-01-342-6481INTERCHANGEABLE
AXLE,STRAIGHT
12583

Frequently Asked Questions

What is NSN 1005-01-626-4251?

NSN 1005-01-626-4251 is a Lever,breechblock,cocking, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-626-4251?

NSN 1005-01-626-4251 has 1 cross-referenced part number: 12583 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 1005-01-626-4251?

There are 5 known substitutes for 1005-01-626-4251: 3040-00-909-5359, 5950-01-058-8581, 5330-01-098-1559 and 2 more. Verify interchangeability with system specifications before substitution.

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