The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-733-6789, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-733-6789 |
| Primary Part Number | AEN18M12D000AW9QX1 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Washer Outside Diameter | 26.0 MILLIMETERS MAXIMUM MM |
| Width Across Flats | 17.73 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | MIL-PRF-32647, HEXAVALENT CHROMIUM FREE, TYPE K16 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.75 |
| Washer Thickness | 1.8 MILLIMETERS MINIMUM MM |
| Material Document and Classification | ASTM A354, GRADE BD ALLOY STEEL AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 12.0 MILLIMETERS MM |
| Specification/standard Data | 05047-ASME B18.24-2023 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ZINC NICKEL OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 6H |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| AEN18M12D000AW9QX1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| ASME B18.24-2023 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5310-01-733-6789 is a Nut,plain,extended Washer,hexago, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-733-6789 has 1 manufacturer part number on file: AEN18M12D000AW9QX1 (The American Society of Mechanical Engineers).
Key specifications for AEN18M12D000AW9QX1: Overall Height: 11.60 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM; Washer Outside Diameter: 26.0 MILLIMETERS MAXIMUM MM; Width Across Flats: 17.73 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: MIL-PRF-32647, HEXAVALENT CHROMIUM FREE, TYPE K16 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 14 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.