The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-01-150-1197, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-150-1197 |
| Primary Part Number | 3995841 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Head Height | 0.260 INCHES NOMINAL IN |
| Rib Included Angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM |
| Fastener Length | 1.760 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.440 INCHES NOMINAL IN |
| Thread Length | 0.775 INCHES NOMINAL IN |
| Hardness Rating | 77.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 80.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| Material Document and Classification | SAE J429 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Rib Length | 0.240 INCHES NOMINAL IN |
| Rib Minor Diameter | 0.540 INCHES MINIMUM AND 0.543 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Rib Major Diameter | 0.556 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Rib Quantity | 35 |
| Head Diameter | 0.780 INCHES MINIMUM AND 0.810 INCHES MAXIMUM 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 |
|---|---|
| 3995841 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 96735 | 5/9 Secondary reference Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products |
| 3995841 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5306-01-150-1197 is a Bolt,ribbed Shoulder, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-150-1197 has 1 manufacturer part number on file: 3995841 (General Motors Llc Dba General Motors Llc).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-243-7237. Verify interchangeability with system specifications before substitution.
Key specifications for 3995841: Head Height: 0.260 INCHES NOMINAL IN; Rib Included Angle: 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM; Fastener Length: 1.760 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN; Distance From Largest Diameter of Bearing Surface of Head to Ribs: 0.440 INCHES NOMINAL 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.