The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-502-4970, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Mcmaster-Carr Supply Co (CAGE 39428); Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (CAGE 0BT64); Riflecraft Limited (CAGE KD0P9) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-502-4970 |
| Primary Part Number | IS4 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 96454A144 | Mcmaster-Carr Supply Co (USA) |
| IS4 PRIMARY | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA) |
| IS-4 | Riflecraft Limited (GBR) |
| Reference | Meaning |
|---|---|
| 5305PL1957582 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5305-01-502-4970 is a Screw,cap,socket Head, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-502-4970 has 3 manufacturer part numbers on file: 96454A144 (Mcmaster-Carr Supply Co), IS4 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc), IS-4 (Riflecraft Limited).
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.