The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-262-9632, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-262-9632 |
| Primary Part Number | 3660004 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Head Height | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Fastener Length | 2.125 INCHES NOMINAL IN |
| Shoulder Length | 0.833 INCHES MINIMUM AND 0.843 INCHES MAXIMUM FIRST SHOULDER IN |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.835 INCHES MINIMUM AND 0.845 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.062 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 41.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-11310 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Rib Length | 0.781 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Rib Major Diameter | 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Minimum Yield Strength | 75000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1010 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 1.187 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 |
| Part Number | Manufacturer |
|---|---|
| 3660004 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3660004 | 3/9 Design control — primary reference General Motors Corp |
NSN 5306-00-262-9632 is a Bolt,ribbed Shoulder, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-262-9632 has 1 manufacturer part number on file: 3660004 (General Motors Llc Dba General Motors Llc).
1 possible match (shared part number, not a government interchangeability claim): 8105-01-589-5232. Verify interchangeability with system specifications before substitution.
Key specifications for 3660004: Head Height: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN; Fastener Length: 2.125 INCHES NOMINAL IN; Shoulder Length: 0.833 INCHES MINIMUM AND 0.843 INCHES MAXIMUM FIRST SHOULDER IN; Distance From Largest Diameter of Bearing Surface of Head to Ribs: 0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN. 20 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.