The Bolt,shoulder, cataloged under National Stock Number 5306-01-044-9539, 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19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-044-9539 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.120 INCHES NOMINAL IN |
| Fastener Length | 1.940 INCHES NOMINAL IN |
| Shoulder Length | 1.395 INCHES MINIMUM AND 1.405 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | LCP 1067,CLASS 2,TYPE 2,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.4985 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.472 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.875 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 1.125 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 |
| Reference | Meaning |
|---|---|
| 1292336-103 | 3/9 Design control — primary reference Lockheed Martin Corp Lockheed Martin Aeronautical Systems Burbank Opns |
| 1292336-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-044-9539 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-044-9539: Head Height: 0.120 INCHES NOMINAL IN; Fastener Length: 1.940 INCHES NOMINAL IN; Shoulder Length: 1.395 INCHES MINIMUM AND 1.405 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: LCP 1067,CLASS 2,TYPE 2,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.