The Bolt,shoulder, cataloged under National Stock Number 5306-01-016-6481, 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21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-016-6481 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| Fastener Length | 4.134 INCHES NOMINAL IN |
| Shoulder Length | 3.450 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | 595 COLOR NO. 17875 FED STD SINGLE TREATMENT RESPONSE HEAD |
| Shoulder Diameter | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.499 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | C-05-1190,FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.250 INCHES NOMINAL IN |
| Surface Treatment | PAINT HEAD |
| Surface Treatment | CHROMIUM GRIP |
| Minimum Tensile Strength | 270000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.876 INCHES NOMINAL 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 |
|---|---|
| 1284909-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-016-6481 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-016-6481: Head Height: 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN; Fastener Length: 4.134 INCHES NOMINAL IN; Shoulder Length: 3.450 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: 595 COLOR NO. 17875 FED STD SINGLE TREATMENT RESPONSE HEAD. 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.