The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-685-3496, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 12 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 | 5310-00-685-3496 |
| Primary Part Number | PADSK22559PC1 3-8IN |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Width Across Flats | 1.994 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN |
| Thread Series | UN |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.375 INCHES IN |
| Nondefinitive Spec/std Data | 2 TYPE AND G KIND |
| Nut Height | 1.138 INCHES MINIMUM AND 1.206 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | STEEL OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| PADSK22559PC1 3-8IN PRIMARY | Westinghouse Electric Corp (USA) |
NSN 5310-00-685-3496 is a Nut,plain,hexagon, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-685-3496 has 1 manufacturer part number on file: PADSK22559PC1 3-8IN (Westinghouse Electric Corp).
Key specifications for PADSK22559PC1 3-8IN: Width Across Flats: 1.994 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN; Thread Series: UN; Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Thread Direction: RIGHT-HAND. 12 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.