PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

438Plunger,trigger Spr

Remington Arms Company, Llc · NSN 1005-00-731-0821 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-00-731-0821 — this item is cataloged by the U.S. Government under National Stock Number 1005-00-731-0821. Primary manufacturer part number: 438.
Features
  • Plunger,trigger Spr — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Remington Arms Company, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plunger,trigger Spr, cataloged under National Stock Number 1005-00-731-0821, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Remington Arms Company, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlunger,trigger Spr
FSC / FSG1005 — No Item Name Available (FSG 10)
ManufacturersRemington Arms Company, Llc (CAGE 50446)
Technical Specifications
ParameterValue
NSN1005-00-731-0821
Primary Part Number438
Item NamePlunger,trigger Spr
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerRemington Arms Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-361952387 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Federal-Mogul Corp Government Sales Dept
3110-00-101-3137 INTERCHANGEABLE
Bearing,roller,tapered
5315-00-221-63375315-7-2B1-50 INTERCHANGEABLE
Pin,toggle,eye Collar
Defense Logistics Agency Dba Defense Supply Center Philadelphia
4820-00-263-91195698 INTERCHANGEABLE
Valve,gate
Rosco Mfg Co
4820-00-268-9154105-3/4NPT INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5120-00-293-02065120-00-293-0206 INTERCHANGEABLE
Wrench,spanner
General Services Administration Federal Supply Service
5340-00-518-5678438 INTERCHANGEABLE
Plug,protective,dust and Moistur
Niagara Plastics L.l.c.
4030-00-541-2456438 INTERCHANGEABLE
Anchor,guy
Pfaff and Kendall
4240-00-764-5152484B INTERCHANGEABLE
Goggles,industrial
American Optical Co
3030-00-844-2882 INTERCHANGEABLE
Belt,v
Cross-Reference Index
Part NumberManufacturer
438 Remington Arms Company, Llc (USA)
Related Parts
3110-00-100-3619INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
52387
3110-00-101-3137INTERCHANGEABLE
BEARING,ROLLER,TAPERED
5315-00-221-6337INTERCHANGEABLE
PIN,TOGGLE,EYE COLLAR
5315-7-2B1-50
4820-00-263-9119INTERCHANGEABLE
VALVE,GATE
5698
4820-00-268-9154INTERCHANGEABLE
VALVE,GATE
105-3/4NPT
5120-00-293-0206INTERCHANGEABLE
WRENCH,SPANNER
5120-00-293-0206
5340-00-518-5678INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
438
4030-00-541-2456INTERCHANGEABLE
ANCHOR,GUY
438
4240-00-764-5152INTERCHANGEABLE
GOGGLES,INDUSTRIAL
484B
3030-00-844-2882INTERCHANGEABLE
BELT,V
2940-00-885-3336INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42120
5930-01-018-1888INTERCHANGEABLE
SWITCH ASSEMBLY,SPEED

Frequently Asked Questions

What is NSN 1005-00-731-0821?

NSN 1005-00-731-0821 is a Plunger,trigger Spr, manufactured by Remington Arms Company, Llc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-00-731-0821?

NSN 1005-00-731-0821 has 1 cross-referenced part number: 438 (Remington Arms Company, Llc).

What NSN replaces 1005-00-731-0821?

There are 12 known substitutes for 1005-00-731-0821: 3110-00-100-3619, 3110-00-101-3137, 5315-00-221-6337 and 9 more. Verify interchangeability with system specifications before substitution.

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