The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-160-4247, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 18 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 | 5306-00-160-4247 |
| Primary Part Number | 6876001 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.127 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Thread Length | 0.545 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.279 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.250 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.500 INCHES NOMINAL 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 |
|---|---|
| 6876001 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5306-00-160-4247 is a Bolt,externally Relieved Body, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-160-4247 has 1 manufacturer part number on file: 6876001 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6876001: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 1.000 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.127 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN; Thread Length: 0.545 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN. 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.