The Nut,self-Locking,slotted,hexagon, cataloged under National Stock Number 5310-01-525-3175, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-525-3175 |
| Primary Part Number | APF53594 |
| Item Name | Nut,self-Locking,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp |
| Status | ACTIVE |
| Width Across Flats | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Thread Series | UNEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.395 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 302 AND STEEL COMP 303 AND STEEL COMP 304 AND STEEL COMP 305 AND STEEL COMP 384 OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| APF53594 PRIMARY | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp (USA) |
| Reference | Meaning |
|---|---|
| 10053594 | 3/9 Design control — primary reference Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp |
| 10053594 | 7/2 Vendor item drawing reference General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
NSN 5310-01-525-3175 is a Nut,self-Locking,slotted,hexagon, manufactured by Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-525-3175 has 1 manufacturer part number on file: APF53594 (Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp).
Key specifications for APF53594: Width Across Flats: 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN; Thread Series: UNEF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.750 INCHES IN. 11 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.