The Bolt,shoulder, cataloged under National Stock Number 5306-00-313-6078, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-313-6078 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.190 INCHES NOMINAL IN |
| Fastener Length | 4.870 INCHES NOMINAL IN |
| Shoulder Length | 0.110 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Length | 0.690 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Length | 1.527 INCHES NOMINAL THIRD SHOULDER IN |
| Shoulder Diameter | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.273 INCHES MINIMUM AND 0.278 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM THIRD SHOULDER IN |
| Thread Length | 0.620 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 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 |
|---|---|
| 8-1049-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-313-6078 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-313-6078: Head Height: 0.190 INCHES NOMINAL IN; Fastener Length: 4.870 INCHES NOMINAL IN; Shoulder Length: 0.110 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Length: 0.690 INCHES NOMINAL SECOND SHOULDER IN. 23 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.