The Screw,shoulder, cataloged under National Stock Number 5305-00-282-9731, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-282-9731 |
| Primary Part Number | 2854E |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Head Height | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Fastener Length | 1.781 INCHES NOMINAL IN |
| Shoulder Length | 0.298 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Length | 0.492 INCHES MINIMUM AND 0.497 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.094 INCHES MINIMUM AND 1.062 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.094 INCHES NOMINAL SECOND SHOULDER IN |
| Thread Length | 0.531 INCHES MINIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PHOSPHATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.739 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-00-282-9731 is a Screw,shoulder, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5305, Screws. Status: active.
NSN 5305-00-282-9731 has 2 manufacturer part numbers on file: 2854E (Bae Systems Land & Armaments L.p.), 8391678 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 2854E: Head Height: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Fastener Length: 1.781 INCHES NOMINAL IN; Shoulder Length: 0.298 INCHES NOMINAL SECOND SHOULDER IN; Shoulder Length: 0.492 INCHES MINIMUM AND 0.497 INCHES MAXIMUM FIRST SHOULDER IN. 20 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.