The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-331-0468, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-331-0468 |
| Primary Part Number | 6V3279 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Head Height | 3.85 MILLIMETERS MINIMUM AND 4.15 MILLIMETERS MAXIMUM MM |
| Fastener Length | 50.8 MILLIMETERS NOMINAL MM |
| Thread Length | 15.8 MILLIMETERS NOMINAL MM |
| Material Document and Classification | 1E390 CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 11.11 MILLIMETERS NOMINAL MM |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 35.0 MILLIMETERS NOMINAL MM |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 6V3279 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5306-01-331-0468 is a Bolt,externally Relieved Body, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-331-0468 has 1 manufacturer part number on file: 6V3279 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 6V3279: Head Height: 3.85 MILLIMETERS MINIMUM AND 4.15 MILLIMETERS MAXIMUM MM; Fastener Length: 50.8 MILLIMETERS NOMINAL MM; Thread Length: 15.8 MILLIMETERS NOMINAL MM; Material Document and Classification: 1E390 CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 14 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.