The Bolt,shoulder, cataloged under National Stock Number 5306-01-152-2582, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-152-2582 |
| Primary Part Number | 1239146 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.050 INCHES MINIMUM IN |
| Head Height | 0.320 INCHES MAXIMUM IN |
| Fastener Length | 0.890 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN |
| Shoulder Length | 0.350 INCHES NOMINAL FIRST SHOULDER IN |
| Extended Washer Diameter | 0.610 INCHES NOMINAL IN |
| Shoulder Diameter | 0.370 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.420 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE GRADE 5 MFR REF ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 1239146 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 1239146 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5306-01-152-2582 is a Bolt,shoulder, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-152-2582 has 1 manufacturer part number on file: 1239146 (General Motors Llc Dba General Motors Llc).
Key specifications for 1239146: Extended Washer Thickness: 0.050 INCHES MINIMUM IN; Head Height: 0.320 INCHES MAXIMUM IN; Fastener Length: 0.890 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN; Shoulder Length: 0.350 INCHES NOMINAL FIRST SHOULDER IN. 18 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.