The Bolt,machine, cataloged under National Stock Number 5306-01-230-0820, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-230-0820 |
| Primary Part Number | J814P048B |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Head Height | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Fastener Length | 1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Thread Length | 0.645 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.3125 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL 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 |
|---|---|
| J814P048B PRIMARY | General Electric Company (USA) |
| J814P048B | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| J814P048B | Bristol Industries, Llc (USA) |
| J814P048B | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| J814P048B | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| J814P048B | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| J814P048B | 5/2 Secondary reference U.S. Government activity |
| J814P048B | 5/9 Secondary reference Rexnord Inc Rockford Aerospace Products Inc |
| J814P048B | 5/9 Secondary reference Mercury Aerospace Fasteners Inc |
NSN 5306-01-230-0820 is a Bolt,machine, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-230-0820 has 6 manufacturer part numbers on file: J814P048B (General Electric Company), J814P048B (Valley-Todeco, Inc. Dba Arconic Fastening Systems), J814P048B (Bristol Industries, Llc), J814P048B (M.s. Aerospace Inc. Dba Ms Aerospace Inc), J814P048B (J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings) and 1 more.
Key specifications for J814P048B: Extended Washer Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Head Height: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Fastener Length: 1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN; Extended Washer Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM 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.