The Screw,shoulder, cataloged under National Stock Number 5305-00-534-9657, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-534-9657 |
| Primary Part Number | 5349657 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.219 INCHES NOMINAL IN |
| Fastener Length | 1.562 INCHES NOMINAL IN |
| Shoulder Length | 0.348 INCHES MINIMUM AND 0.350 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.312 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 1.150 INCHES MINIMUM AND 1.152 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.562 INCHES NOMINAL IN |
| 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 |
|---|---|
| 5349657 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-00-534-9657 is a Screw,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-534-9657 has 1 manufacturer part number on file: 5349657 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5349657: Head Height: 0.219 INCHES NOMINAL IN; Fastener Length: 1.562 INCHES NOMINAL IN; Shoulder Length: 0.348 INCHES MINIMUM AND 0.350 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.312 INCHES NOMINAL FIRST SHOULDER IN. 16 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.