The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-674-9187, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rafael. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-674-9187 |
| Primary Part Number | 4071863882 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rafael |
| Status | ACTIVE |
| Head Height | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Length | 1.3125 INCHES NOMINAL IN |
| Material Document and Classification | SPEC FF-S-86 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNRF |
| 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 |
|---|---|
| 4071863882 | Rafael (ISR) |
| Reference | Meaning |
|---|---|
| 4071863882 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1351-6-21P | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-674-9187 is a Screw,cap,socket Head, manufactured by Rafael, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-674-9187 has 1 manufacturer part number on file: 4071863882 (Rafael).
Key specifications for 4071863882: Head Height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Length: 1.3125 INCHES NOMINAL IN; Material Document and Classification: SPEC FF-S-86 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.375 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
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.