The Bolt,shoulder, cataloged under National Stock Number 5306-01-437-0076, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-437-0076 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Fastener Length | 1.674 INCHES MINIMUM AND 1.704 INCHES MAXIMUM IN |
| Shoulder Length | 1.053 INCHES MINIMUM AND 1.073 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Shoulder Diameter | 0.6386 INCHES MINIMUM AND 0.6396 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.626 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR AMS 6422 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS6210 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.926 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 95000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4340 OR STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS6210-17X | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-437-0076 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-437-0076: Head Height: 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Fastener Length: 1.674 INCHES MINIMUM AND 1.704 INCHES MAXIMUM IN; Shoulder Length: 1.053 INCHES MINIMUM AND 1.073 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL. 20 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.