The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-452-2589, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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 | 5310-00-452-2589 |
| Primary Part Number | F251280 |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Width Across Flats | 0.930 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Nut Counterbore Depth | 0.140 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Counterbore Diameter | 0.820 INCHES NOMINAL NUT IN |
| Nut Height | 0.340 INCHES NOMINAL IN |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM ALLOY OR 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 |
|---|---|
| F251280 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5310-00-452-2589 is a Nut,plain,slotted,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-452-2589 has 1 manufacturer part number on file: F251280 (Naval Inventory Control Point Mechanicsburg).
Key specifications for F251280: Width Across Flats: 0.930 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN; Thread Series: UNF; Nut Counterbore Depth: 0.140 INCHES NOMINAL NUT IN; 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.