The Nut,plain,spline, cataloged under National Stock Number 5310-01-321-4115, 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16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-321-4115 |
| Item Name | Nut,plain,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | MIL-S-7720,COND A MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND A FED SPEC 2ND MATERIAL RESPONSE OR ASTM A582,COND A ASSN STD 3RD MATERIAL RESPONSE OR ASTM A484,COND A ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.203 INCHES NOMINAL FIRST END IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.228 INCHES NOMINAL FIRST END IN |
| Pilot Diameter | 0.278 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Pilot Length | 0.250 INCHES NOMINAL IN |
| Nut Height | 0.377 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | SPLINE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303 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 |
|---|---|
| 364-1001P24 | 5/9 Secondary reference Raytheon Company Div Corp |
| D-4042 | 3/2 Design control — primary reference U.S. Government activity |
| 364-1001P24 | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
NSN 5310-01-321-4115 is a Nut,plain,spline, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-321-4115: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: MIL-S-7720,COND A MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND A FED SPEC 2ND MATERIAL RESPONSE OR ASTM A582,COND A ASSN STD 3RD MATERIAL RESPONSE OR ASTM A484,COND A ASSN STD 3RD MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.203 INCHES NOMINAL 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.