The Bolt,shoulder, cataloged under National Stock Number 5306-01-358-6671, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-358-6671 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.071 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN |
| Head Height | 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Fastener Length | 2.997 INCHES MINIMUM AND 3.027 INCHES MAXIMUM IN |
| Shoulder Length | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | MIL-C-8837,TY 2 CL 2 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| Extended Washer Diameter | 1.037 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.5761 INCHES MINIMUM AND 0.5771 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.935 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Head Minor Diameter | 0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP H11 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 |
|---|---|
| C9507-09033 | 3/2 Design control — primary reference U.S. Government activity |
| AIC297-09033R | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
NSN 5306-01-358-6671 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-358-6671: Extended Washer Thickness: 0.071 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN; Head Height: 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Fastener Length: 2.997 INCHES MINIMUM AND 3.027 INCHES MAXIMUM IN; Shoulder Length: 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM FIRST SHOULDER IN. 21 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.