The Bolt,machine, cataloged under National Stock Number 5306-00-510-8553, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-510-8553 |
| Primary Part Number | J645P17A |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Extended Washer Thickness | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Head Height | 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Fastener Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Thread Length | 0.865 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN |
| Material Document and Classification | C50TF13,CL B,FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.315 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY 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 | F |
| Part Number | Manufacturer |
|---|---|
| J645P17A | Morton Grinding, Inc Dba Morton Manufacturing (USA) |
| J645P17A PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| J645P17A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| J645P17A | 5/9 Secondary reference J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings |
| J645P17A | 5/9 Secondary reference U.S. Government activity |
| J645P17A | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| J645P17A | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| J645P17A | 5/9 Secondary reference Asc International, Inc. Dba Asc International Inc Div Asc International |
| 5306PL0678361 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| J645P17AQQ | 5/9 Secondary reference Jet Avion Corp |
| J645P17A | 5/9 Secondary reference Bristol Industries, Llc |
| J645P17A | 5/9 Secondary reference M.s. Aerospace Inc. Dba Ms Aerospace Inc |
| 10114323 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-00-510-8553 is a Bolt,machine, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-510-8553 has 2 manufacturer part numbers on file: J645P17A (Morton Grinding, Inc Dba Morton Manufacturing), J645P17A (General Electric Company).
Key specifications for J645P17A: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Extended Washer Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Head Height: 0.328 INCHES MINIMUM AND 0.348 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.