The Nut,plain,spline, cataloged under National Stock Number 5310-01-165-1304, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-165-1304 |
| Item Name | Nut,plain,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290,CLASS1,TYPE 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-B-626,ALLOY 385,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM FIRST END IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Diameter | 0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM FIRST END IN |
| Pilot Diameter | 0.228 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN |
| Pilot Length | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Nut Height | 0.312 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | SPLINE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6252A-B-0832-4 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 6252A-B-0832-4 | C/1 Advisory reference — outside the item-of-supply concept Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| 230046-000 | 3/2 Design control — primary reference U.S. Government activity |
| HY-519-27 | C/1 Advisory reference — outside the item-of-supply concept Dsk Engineering and Technology Inc |
| HY-519-27 | 5/9 Secondary reference Hyperion Industries Inc |
NSN 5310-01-165-1304 is a Nut,plain,spline, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-165-1304: Surface Treatment Document and Classification: QQ-N-290,CLASS1,TYPE 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-B-626,ALLOY 385,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM FIRST END IN. 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.