The Nut,self-Locking,cap, cataloged under National Stock Number 5310-00-902-2814, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-902-2814 |
| Primary Part Number | 203MS021P008 |
| Item Name | Nut,self-Locking,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Width Across Flats | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Material Document and Classification | AISI ASSN STD 1ST MATERIAL RESPONSE NUT |
| Material Document and Classification | AISI ASSN STD 2ND MATERIAL RESPONSE CAP |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.363 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL EXCEPT INSERT |
| Nut Style | CAP |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 303 NUT |
| Material | STEEL COMP 303 CAP |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 203MS021P008 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| F79NKM04 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
NSN 5310-00-902-2814 is a Nut,self-Locking,cap, manufactured by Raytheon Company Div Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-902-2814 has 1 manufacturer part number on file: 203MS021P008 (Raytheon Company Div Corp).
Key specifications for 203MS021P008: Width Across Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Thread Series: UNF; Material Document and Classification: AISI ASSN STD 1ST MATERIAL RESPONSE NUT; Material Document and Classification: AISI ASSN STD 2ND MATERIAL RESPONSE CAP. 16 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.