The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-003-6737, 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 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-003-6737 |
| Primary Part Number | 203-1163P14 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Lubrication | SOLUBLE LUBRICANT |
| Width Across Flats | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNJC |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AISI ASSN STD 2ND MATERIAL RESPONSE NUT |
| Material Document and Classification | MIL-M-20693,COMP A,TYPE 1 MIL SPEC 1ST MATERIAL RESPONSE LOCKING INSERT |
| Nut Counterbore Depth | 0.105 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 10.000 INCHES IN |
| Counterbore Diameter | 0.220 INCHES NOMINAL NUT IN |
| Pilot Diameter | 0.264 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Pilot Length | 0.105 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.355 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE NUT |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 303 NUT |
| 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 |
|---|---|
| L79NC3-1024 | Greer Stop Nut, Inc. (USA) |
| 203-1163P14 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| 79NC3-04 | 5/9 Secondary reference Harvard Industries Inc |
| L79NC3-04 | 5/9 Secondary reference Harvard Industries Inc |
| 2156906-6 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2312524-3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2156909 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 203-1163P14 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
NSN 5310-00-003-6737 is a Nut,self-Locking,clinch, manufactured by Raytheon Company Div Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-003-6737 has 2 manufacturer part numbers on file: L79NC3-1024 (Greer Stop Nut, Inc.), 203-1163P14 (Raytheon Company Div Corp).
Key specifications for 203-1163P14: Lubrication: SOLUBLE LUBRICANT; Width Across Flats: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNJC. 21 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.