The Bolt,shoulder, cataloged under National Stock Number 5306-01-159-1130, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-159-1130 |
| Primary Part Number | 342221 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 1.390 INCHES MINIMUM AND 1.430 INCHES MAXIMUM IN |
| Shoulder Length | 0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | GM 4363-M FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | CROWNED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 4037 OVERALL |
| Thread Series Designator | UNRC |
| 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 |
|---|---|
| 342221 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 342221 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5306-01-159-1130 is a Bolt,shoulder, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-159-1130 has 1 manufacturer part number on file: 342221 (General Motors Llc Dba General Motors Llc).
Key specifications for 342221: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 1.390 INCHES MINIMUM AND 1.430 INCHES MAXIMUM IN; Shoulder Length: 0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: GM 4363-M FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.