The Screw,shoulder, cataloged under National Stock Number 5305-01-090-7625, 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 18 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 | 5305-01-090-7625 |
| Primary Part Number | 12256366 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.170 INCHES NOMINAL IN |
| Fastener Length | 0.690 INCHES NOMINAL IN |
| Shoulder Length | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Surface Treatment | ZINC OR CADMIUM OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Countersink Angle | 15.000 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1017 OR STEEL COMP 1029 OR STEEL COMP 1211 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1115 OR STEEL COMP 1116 OR STEEL COMP 1117 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1030 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 12256366 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-01-090-7625 is a Screw,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-090-7625 has 1 manufacturer part number on file: 12256366 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12256366: Head Height: 0.170 INCHES NOMINAL IN; Fastener Length: 0.690 INCHES NOMINAL IN; Shoulder Length: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.