The Screw,buttcap, cataloged under National Stock Number 5305-01-311-2133, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Colt's Manufacturing Company, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Screw,buttcap |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Colt's Manufacturing Company, Llc (CAGE 13629); Colt Canada Corporation (CAGE 2C085) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-311-2133 |
| Primary Part Number | 64577 |
| Item Name | Screw,buttcap |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Colt's Manufacturing Company, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 5305-01-311-2133 is a Screw,buttcap, manufactured by Colt's Manufacturing Company, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-311-2133 has 2 manufacturer part numbers on file: 64577 (Colt's Manufacturing Company, Llc), CF64577 (Colt Canada Corporation).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.