The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-668-7608, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-668-7608 |
| Primary Part Number | AEN18M30E000BA4A51 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Thread Series | M |
| Thread Pitch in Millimeters | 2.0 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 30.0 MILLIMETERS MM |
| Surface Treatment | ZINC 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 |
|---|---|
| AEN18M30E000BA4A51 | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| AEN18M30E000BA45A1 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| B18.24-2004 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5310-01-668-7608 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 5310-01-668-7608 has 1 manufacturer part number on file: AEN18M30E000BA4A51 (The American Society of Mechanical Engineers).
Key specifications for AEN18M30E000BA4A51: Thread Series: M; Thread Pitch in Millimeters: 2.0; Thread Direction: RIGHT-HAND; Nominal Thread Size: 30.0 MILLIMETERS MM. 8 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.