The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-809-5253, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Union Machine Co of Lynn, Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-809-5253 |
| Primary Part Number | 758A892P1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Union Machine Co of Lynn, Inc |
| Status | ACTIVE |
| Width Across Flats | 0.733 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.130 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 758A892P1 | Union Machine Co of Lynn, Inc (USA) |
| Reference | Meaning |
|---|---|
| 758A892P001 | 3/2 Design control — primary reference U.S. Government activity |
| 758A892P1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 758A892P001 | 5/9 Secondary reference General Electric Company |
NSN 5310-00-809-5253 is a Nut,plain,hexagon, manufactured by Union Machine Co of Lynn, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-809-5253 has 1 manufacturer part number on file: 758A892P1 (Union Machine Co of Lynn, Inc).
Key specifications for 758A892P1: Width Across Flats: 0.733 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.500 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.