The Nut,self-Locking,spline, cataloged under National Stock Number 5310-01-016-9648, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-016-9648 |
| Primary Part Number | 592558 |
| Item Name | Nut,self-Locking,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 3 FED STD 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 1,CLASS 3 FED STD 2ND TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.438 INCHES NOMINAL IN |
| Pilot Diameter | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| Pilot Length | 0.125 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.297 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | SPLINE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1212 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 |
|---|---|
| 592558 | Army Weapons Command Attn Amswe-Ree-S (USA) |
NSN 5310-01-016-9648 is a Nut,self-Locking,spline, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-016-9648 has 1 manufacturer part number on file: 592558 (Army Weapons Command Attn Amswe-Ree-S).
Key specifications for 592558: Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 3 FED STD 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 1,CLASS 3 FED STD 2ND TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 15 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.