The Bolt,machine, cataloged under National Stock Number 5306-01-165-3258, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-165-3258 |
| Primary Part Number | 1381477 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.035 INCHES MINIMUM IN |
| Head Height | 0.208 INCHES MINIMUM IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | GM 4435-M CODE A FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.680 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Thread Length | 0.420 INCHES NOMINAL IN |
| Hardness Rating | 42.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE 1541 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL 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 |
|---|---|
| 1381477 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 1389433 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 1389433 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 1381477 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 3989433 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5306-01-165-3258 is a Bolt,machine, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-165-3258 has 2 manufacturer part numbers on file: 1381477 (General Motors Llc Dba General Motors Llc), 1389433 (General Motors Llc Dba General Motors Llc).
Key specifications for 1381477: Extended Washer Thickness: 0.035 INCHES MINIMUM IN; Head Height: 0.208 INCHES MINIMUM IN; Fastener Length: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: GM 4435-M CODE A 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.