The Bolt,shoulder, cataloged under National Stock Number 5306-00-182-7312, 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 23 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-182-7312 |
| Primary Part Number | 6865507 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Head Height | 0.150 INCHES NOMINAL IN |
| Fastener Length | 1.441 INCHES NOMINAL IN |
| Shoulder Length | 1.136 INCHES NOMINAL FIRST SHOULDER IN |
| Distance From Centerline to Flat | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.305 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hole Configuration Style | ROUND LONGITUDINAL HOLE |
| Material Document and Classification | AMS5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS5737 ASSN STD 2ND MATERIAL RESPONSE GRIP |
| Material Document and Classification | ELGILOY(COBALT-NICKEL-CHROMIUM) MFR REF SINGLE MATERIAL RESPONSE SPRING |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | COBALT ALLOY SPRING |
| Material | STEEL CORROSION RESISTING GRIP |
| Hole Quantity | 2 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.325 INCHES NOMINAL FIRST HOLE IN |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Head Diameter | 0.510 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 |
|---|---|
| CA4555-4-1000 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 6865507 | Rolls-Royce Plc Naval Marine (GBR) |
| 6865507 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| AS 207 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-182-7312 is a Bolt,shoulder, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-182-7312 has 3 manufacturer part numbers on file: CA4555-4-1000 (Howmet Global Fastening Systems Inc. Div Tridair Products), 6865507 (Rolls-Royce Plc Naval Marine), 6865507 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6865507: Head Height: 0.150 INCHES NOMINAL IN; Fastener Length: 1.441 INCHES NOMINAL IN; Shoulder Length: 1.136 INCHES NOMINAL FIRST SHOULDER IN; Distance From Centerline to Flat: 0.187 INCHES MINIMUM AND 0.192 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.