The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-656-2983, 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-656-2983 |
| Primary Part Number | AEN16M16E000BB1A81 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 23.67 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 2.0 |
| Thread Pitch Diameters | -32.0 TO 50.0 MILLIMETERS MM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 16.0 MILLIMETERS MM |
| Nut Height | 15.70 MILLIMETERS MINIMUM AND 16.40 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR FLAT OR 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 |
|---|---|
| 60108143 | Bae Systems Gcs International Ltd (GBR) |
| AEN16M16E000BB1A81 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| B18.24-2004 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| AEN16M16E000BB1A81 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-656-2983 is a Nut,plain,hexagon, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-656-2983 has 2 manufacturer part numbers on file: 60108143 (Bae Systems Gcs International Ltd), AEN16M16E000BB1A81 (The American Society of Mechanical Engineers).
Key specifications for AEN16M16E000BB1A81: Width Across Flats: 23.67 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM MM; Thread Series: M; Thread Pitch in Millimeters: 2.0; Thread Pitch Diameters: -32.0 TO 50.0 MILLIMETERS MM. 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.