The Bolt,shoulder, cataloged under National Stock Number 5306-01-031-4840, 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 14 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 | 5306-01-031-4840 |
| Primary Part Number | 11684223 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.220 INCHES NOMINAL IN |
| Fastener Length | 2.560 INCHES NOMINAL IN |
| Shoulder Length | 1.595 INCHES MINIMUM AND 1.605 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.6232 INCHES MINIMUM AND 0.6252 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.960 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.880 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 414 OR STEEL COMP 416 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 |
|---|---|
| 11684223 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5306-01-031-4840 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-031-4840 has 1 manufacturer part number on file: 11684223 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11684223: Head Height: 0.220 INCHES NOMINAL IN; Fastener Length: 2.560 INCHES NOMINAL IN; Shoulder Length: 1.595 INCHES MINIMUM AND 1.605 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.6232 INCHES MINIMUM AND 0.6252 INCHES MAXIMUM FIRST SHOULDER IN. 14 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.