The Bolt,shoulder, cataloged under National Stock Number 5306-01-217-0658, 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21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-217-0658 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.750 INCHES NOMINAL IN |
| Fastener Length | 5.250 INCHES NOMINAL IN |
| Shoulder Length | 0.170 INCHES MINIMUM AND 0.200 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Length | 4.000 INCHES NOMINAL FOURTH HOLE IN |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.069 INCHES MINIMUM AND 0.071 INCHES MAXIMUM SECOND SHOULDER IN |
| Thread Length | 1.080 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.172 INCHES MINIMUM AND 0.182 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | ASTMA322 ASSN STD ALL MATERIAL RESPONSES OR ASTMA331 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.750 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 9 |
| Material | STEEL COMP 4140 OR STEEL COMP 8640 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.770 INCHES MINIMUM AND 4.790 INCHES MAXIMUM 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 |
|---|---|
| 13222E0428 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-217-0658 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-217-0658: Head Height: 0.750 INCHES NOMINAL IN; Fastener Length: 5.250 INCHES NOMINAL IN; Shoulder Length: 0.170 INCHES MINIMUM AND 0.200 INCHES MAXIMUM SECOND SHOULDER IN; Shoulder Length: 4.000 INCHES NOMINAL FOURTH HOLE 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.