The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-226-9274, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-226-9274 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.313 INCHES NOMINAL IN |
| Fastener Length | 2.875 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN |
| Shoulder Length | 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM FIRST SHOULDER IN |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.062 INCHES NOMINAL IN |
| Shoulder Diameter | 0.839 INCHES MINIMUM AND 0.844 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.125 INCHES MINIMUM IN |
| Rib Length | 1.562 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Rib Major Diameter | 0.875 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 1.188 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 |
|---|---|
| 3660032 | 3/9 Design control — primary reference General Motors Corp |
| 3660032 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5306-00-226-9274 is a Bolt,ribbed Shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-226-9274: Head Height: 0.313 INCHES NOMINAL IN; Fastener Length: 2.875 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN; Shoulder Length: 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM FIRST SHOULDER IN; Distance From Largest Diameter of Bearing Surface of Head to Ribs: 0.062 INCHES NOMINAL IN. 16 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.