The Bolt,machine, cataloged under National Stock Number 5306-00-505-9828, 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 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-505-9828 |
| Primary Part Number | J646P26A |
| 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 | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Head Height | 0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN |
| Fastener Length | 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Thread Length | 0.990 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN |
| Material Document and Classification | C50TF13,CL B,FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.815 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Width Between Flats | 0.437 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 | X |
| Part Number | Manufacturer |
|---|---|
| J646P26A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| J646P26A | Bristol Industries, Llc (USA) |
| J646P26A | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| J646P26A | Morton Grinding, Inc Dba Morton Manufacturing (USA) |
| J646P26A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| J646P26A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| J646P26A | Asc International, Inc. Dba Asc International Inc Div Asc International (USA) |
| J646P26A PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 5306PL0714040 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| J646P26A | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-505-9828 is a Bolt,machine, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-505-9828 has 8 manufacturer part numbers on file: J646P26A (Sps Technologies, Llc Dba PB Fasteners), J646P26A (Bristol Industries, Llc), J646P26A (J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings), J646P26A (Morton Grinding, Inc Dba Morton Manufacturing), J646P26A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 3 more.
Key specifications for J646P26A: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Extended Washer Thickness: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Head Height: 0.373 INCHES MINIMUM AND 0.393 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.