The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-867-7952, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-867-7952 |
| Primary Part Number | J140P01B |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Width Across Flats | 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Precious Material | SILVER |
| Temp Rating | 1200.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS 5642 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Locking Feature | FREE-RUNNING ALL METAL DESIGN |
| Nut Height | 0.138 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| J140P01C | General Electric Company (USA) |
| J140P01 | General Electric Company (USA) |
| J140P01B PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| J140P01C PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| Z8423-40K | 5/9 Secondary reference Donchar Industries, Inc |
| J140P01A | 5/9 Secondary reference General Electric Company |
| J140P01C | 5/9 Secondary reference Sps Technologies Inc Unbrako Div |
| Z8423-40K | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-867-7952 is a Nut,self-Locking,hexagon, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-867-7952 has 4 manufacturer part numbers on file: J140P01C (General Electric Company), J140P01 (General Electric Company), J140P01B (Howmet Global Fastening Systems Inc), J140P01C (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for J140P01B: Width Across Flats: 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN; Thread Series: UNJC; Precious Material: SILVER; Temp Rating: 1200.0 FAHRENHEIT NOMINAL DEGF. 15 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.