PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51678Hammer,firing,small Arms

Colt's Manufacturing Company, Llc · NSN 1005-00-831-1400 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-00-831-1400 — this item is cataloged by the U.S. Government under National Stock Number 1005-00-831-1400. Primary manufacturer part number: 51678.
Features
  • Hammer,firing,small Arms — FSC 1005
  • Style Designator: DOG LEG
  • Material: STEEL
  • FSC Application Data: PISTOL,CAL..45,AUTOMATIC
  • Weapon Size Designation: .45 CALIBER, AUTOMATIC
  • 1 verified cross-reference
  • Primary manufacturer: Colt's Manufacturing Company, Llc
Applications
  • Applications requiring Steel construction
General Description

The Hammer,firing,small Arms, cataloged under National Stock Number 1005-00-831-1400, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Colt's Manufacturing Company, Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-00-831-1400
Primary Part Number51678
Item NameHammer,firing,small Arms
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerColt's Manufacturing Company, Llc
StatusACTIVE
Style DesignatorDOG LEG
MaterialSTEEL
FSC Application DataPISTOL,CAL..45,AUTOMATIC
Weapon Size Designation.45 CALIBER, AUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
7510-00-161-5675 INTERCHANGEABLE
Crayon,marking
5360-00-316-4546A51678 INTERCHANGEABLE
Spring,helical,compression
Ambac International Corporation Div Ambac International
3010-00-392-9526SC-B-70343 INTERCHANGEABLE
Disk,clutch,nonvehicular
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
51678 PRIMARY Colt's Manufacturing Company, Llc (USA)
Related Parts
7510-00-161-5675INTERCHANGEABLE
CRAYON,MARKING
5360-00-316-4546INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A51678
3010-00-392-9526INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
SC-B-70343

Frequently Asked Questions

What is NSN 1005-00-831-1400?

NSN 1005-00-831-1400 is a Hammer,firing,small Arms, manufactured by Colt's Manufacturing Company, Llc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-00-831-1400?

NSN 1005-00-831-1400 has 1 cross-referenced part number: 51678 (Colt's Manufacturing Company, Llc).

What NSN replaces 1005-00-831-1400?

There are 3 known substitutes for 1005-00-831-1400: 7510-00-161-5675, 5360-00-316-4546, 3010-00-392-9526. Verify interchangeability with system specifications before substitution.

What are the specifications of 51678?

Key specifications for 51678: Style Designator: DOG LEG; Material: STEEL; FSC Application Data: PISTOL,CAL..45,AUTOMATIC; Weapon Size Designation: .45 CALIBER, AUTOMATIC. 5 total characteristics are documented in the Federal Logistics Information System.

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