The Bolt,shoulder, cataloged under National Stock Number 5306-00-089-9443, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-089-9443 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.200 INCHES NOMINAL IN |
| Fastener Length | 1.819 INCHES NOMINAL IN |
| Shoulder Length | 1.319 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.420 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.107 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.500 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 200000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.579 INCHES NOMINAL FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 215-30503-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-089-9443 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-089-9443: Head Height: 0.200 INCHES NOMINAL IN; Fastener Length: 1.819 INCHES NOMINAL IN; Shoulder Length: 1.319 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER IN. 19 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.