The Bolt,ribbed Neck, cataloged under National Stock Number 5306-01-159-2784, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-159-2784 |
| Primary Part Number | 14072666 |
| Item Name | Bolt,ribbed Neck |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Head Height | 0.170 INCHES NOMINAL IN |
| Rib Included Angle | 120.0 DEGREES NOMINAL |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.474 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Material Document and Classification | GM 6109M,FSCM 11862 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Rib Length | 0.120 INCHES NOMINAL IN |
| Rib Minor Diameter | 0.332 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Rib Major Diameter | 0.350 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNRC |
| Rib Quantity | 1 |
| Head Diameter | 0.666 INCHES MINIMUM AND 0.698 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 |
|---|---|
| 14072666 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 1407266 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 14072666 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 328191 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5306-01-159-2784 is a Bolt,ribbed Neck, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-159-2784 has 1 manufacturer part number on file: 14072666 (General Motors Llc Dba General Motors Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4620-01-645-2974, 6630-01-647-9023. Verify interchangeability with system specifications before substitution.
Key specifications for 14072666: Head Height: 0.170 INCHES NOMINAL IN; Rib Included Angle: 120.0 DEGREES NOMINAL; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.474 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN. 16 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.