The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-224-6806, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-224-6806 |
| Primary Part Number | 203-7211P4 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Width Across Flats | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 203-7211P4 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| 203-7211P4 | C/1 Advisory reference — outside the item-of-supply concept Harvard Industries Inc |
| 203-7211P4 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
NSN 5310-01-224-6806 is a Nut,self-Locking,hexagon, manufactured by Raytheon Company Div Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-224-6806 has 1 manufacturer part number on file: 203-7211P4 (Raytheon Company Div Corp).
Key specifications for 203-7211P4: Width Across Flats: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.312 INCHES IN. 10 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.