The Bolt,shoulder, cataloged under National Stock Number 5306-00-281-1035, is classified within Federal Supply Class 5306 (Bolts) 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-281-1035 |
| Primary Part Number | 8391430 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Shoulder Length | 0.656 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.253 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-S-637,COM+1117 FED SPEC 1ST MATERIAL RESPONSE OR Q-S-637,COMP 1118 FED STD 13TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1117 OR STEEL COMP 1118 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 |
NSN 5306-00-281-1035 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-281-1035 has 2 manufacturer part numbers on file: 8391430 (U S Army Tank Automotive Command Amsta-Im-Mm), 2414E (Bae Systems Land & Armaments L.p.).
Key specifications for 8391430: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 1.000 INCHES NOMINAL IN; Shoulder Length: 0.656 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM 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.