The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-596-3624, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 13 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 | 5310-01-596-3624 |
| Primary Part Number | AEN12F250000CH2A31 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | ASTM F593, ALLOY GROUP 1, DEFAULT CONDITION CW ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 2 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| AEN12F250000CH2A31 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5310-01-596-3624 is a Nut,plain,hexagon, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-596-3624 has 1 manufacturer part number on file: AEN12F250000CH2A31 (The American Society of Mechanical Engineers).
Key specifications for AEN12F250000CH2A31: Width Across Flats: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: ASTM F593, ALLOY GROUP 1, DEFAULT CONDITION CW ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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.