The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-456-2008, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Elliott Company Div Jeannette. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-456-2008 |
| Primary Part Number | P14J21 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Elliott Company Div Jeannette |
| Status | ACTIVE |
| Width Across Flats | 0.680 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.540 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL EXCEPT INSERT |
| Material | PLASTIC LOCKING INSERT |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| P14J21 PRIMARY | Elliott Company Div Jeannette (USA) |
| Reference | Meaning |
|---|---|
| FIG7XPC40 | 5/9 Secondary reference Elliott Company Div Jeannette |
NSN 5310-00-456-2008 is a Nut,self-Locking,hexagon, manufactured by Elliott Company Div Jeannette, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-456-2008 has 1 manufacturer part number on file: P14J21 (Elliott Company Div Jeannette).
Key specifications for P14J21: Width Across Flats: 0.680 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 12 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.