The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-912-4625, 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 23 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 | 5306-00-912-4625 |
| Primary Part Number | 8H1460 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Extended Washer Thickness | 0.125 INCHES NOMINAL IN |
| Head Height | 0.457 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN |
| Fastener Length | 5.831 INCHES MINIMUM AND 5.855 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.938 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Material Document and Classification | 1E60 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.559 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 1.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 1.768 INCHES NOMINAL IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.375 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 4 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 4.812 INCHES NOMINAL IN |
| Third Diameter From Head | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 8H1460 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5306-00-912-4625 is a Bolt,externally Relieved Body, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-912-4625 has 1 manufacturer part number on file: 8H1460 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 8H1460: Fourth Diameter From Head: 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Extended Washer Thickness: 0.125 INCHES NOMINAL IN; Head Height: 0.457 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN; Fastener Length: 5.831 INCHES MINIMUM AND 5.855 INCHES MAXIMUM IN. 23 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.