The Bolt,machine, cataloged under National Stock Number 5306-01-087-7384, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-087-7384 |
| Primary Part Number | J644P15B |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.065 INCHES NOMINAL IN |
| Head Height | 0.303 INCHES NOMINAL IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.438 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| J644P15B | Turbine Kinetics, Inc (USA) |
| J644P15B PRIMARY | General Electric Company (USA) |
| J644P15B | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| J644P15B | Sps Technologies, Llc Dba PB Fasteners (USA) |
| J644P15B | Howmet Global Fastening Systems Inc (USA) |
| J644P15B | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| J644P15BQQ | Jet Avion Corp (USA) |
| J644P15B | Bristol Industries, Llc (USA) |
| J644P15B | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| J644P15B | Asc International, Inc. Dba Asc International Inc Div Asc International (USA) |
NSN 5306-01-087-7384 is a Bolt,machine, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-087-7384 has 10 manufacturer part numbers on file: J644P15B (Turbine Kinetics, Inc), J644P15B (General Electric Company), J644P15B (J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings), J644P15B (Sps Technologies, Llc Dba PB Fasteners), J644P15B (Howmet Global Fastening Systems Inc) and 5 more.
Key specifications for J644P15B: Extended Washer Thickness: 0.065 INCHES NOMINAL IN; Head Height: 0.303 INCHES NOMINAL IN; Fastener Length: 1.125 INCHES NOMINAL IN; Extended Washer Diameter: 0.438 INCHES NOMINAL IN. 13 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.