The Bolt,shoulder, cataloged under National Stock Number 5306-01-021-3727, 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21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-021-3727 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 1.865 INCHES MAXIMUM IN |
| Shoulder Length | 1.395 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | MIL-C-8837 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.470 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP H11 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.107 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 |
|---|---|
| 7534422-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-021-3727 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-021-3727: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 1.865 INCHES MAXIMUM IN; Shoulder Length: 1.395 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: MIL-C-8837 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.