The Bolt,shoulder, cataloged under National Stock Number 5306-01-060-7978, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-060-7978 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Fastener Length | 1.136 INCHES MINIMUM AND 1.166 INCHES MAXIMUM IN |
| Shoulder Length | 0.271 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.558 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.865 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 21.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | QQ-S-763 CL 416,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | 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 |
| Reference | Meaning |
|---|---|
| 945B985-1 | 3/2 Design control — primary reference U.S. Government activity |
| 945B985-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-060-7978 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-060-7978: Head Height: 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN; Fastener Length: 1.136 INCHES MINIMUM AND 1.166 INCHES MAXIMUM IN; Shoulder Length: 0.271 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-416 TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.