PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51866Sear

Colt's Manufacturing Company, Llc · NSN 1005-00-898-4200 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-00-898-4200 — this item is cataloged by the U.S. Government under National Stock Number 1005-00-898-4200. Primary manufacturer part number: 51866.
Features
  • Sear — FSC 1005
  • FSC Application Data: PISTOL,CAL..45,AUTOMATIC
  • Mechanism Held: HAMMER
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: Colt's Manufacturing Company, Llc
Applications
  • Applications requiring Steel construction
General Description

The Sear, cataloged under National Stock Number 1005-00-898-4200, 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 3 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-00-898-4200
Primary Part Number51866
Item NameSear
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerColt's Manufacturing Company, Llc
StatusACTIVE
FSC Application DataPISTOL,CAL..45,AUTOMATIC
Mechanism HeldHAMMER
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5930-00-057-560351866 INTERCHANGEABLE
Switch,rotary
Cts Corp Electromechanical Div
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
5340-00-629-8809 INTERCHANGEABLE
Bracket,mounting
1270-00-674-783551866 INTERCHANGEABLE
Gearshaft,output
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
2940-01-084-346751866 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5340-01-141-3993 INTERCHANGEABLE
Cap-Plug,protective,dust and Moi
9540-01-300-286551866 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
Cross-Reference Index
Part NumberManufacturer
51866 Colt's Manufacturing Company, Llc (USA)
Related Parts
5930-00-057-5603INTERCHANGEABLE
SWITCH,ROTARY
51866
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
5340-00-629-8809INTERCHANGEABLE
BRACKET,MOUNTING
1270-00-674-7835INTERCHANGEABLE
GEARSHAFT,OUTPUT
51866
2940-01-084-3467INTERCHANGEABLE
FILTER ELEMENT,FLUID
51866
5340-01-141-3993INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
9540-01-300-2865INTERCHANGEABLE
ANGLE,STRUCTURAL
51866

Frequently Asked Questions

What is NSN 1005-00-898-4200?

NSN 1005-00-898-4200 is a Sear, manufactured by Colt's Manufacturing Company, Llc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-00-898-4200?

NSN 1005-00-898-4200 has 1 cross-referenced part number: 51866 (Colt's Manufacturing Company, Llc).

What NSN replaces 1005-00-898-4200?

There are 7 known substitutes for 1005-00-898-4200: 5930-00-057-5603, 3110-00-100-0726, 5340-00-629-8809 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51866?

Key specifications for 51866: FSC Application Data: PISTOL,CAL..45,AUTOMATIC; Mechanism Held: HAMMER; Material: STEEL. 3 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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