The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-657-3446, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-657-3446 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.0 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 6.0 MILLIMETERS MM |
| Locking Feature | PREVAILING TORQUE ALL NONMETALLIC DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 5.40 MILLIMETERS MINIMUM AND 5.90 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | M6 |
| Material | STEEL PROPERTY CLASS 10.9 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 |
| Reference | Meaning |
|---|---|
| B18.24-2004 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| AEN27M06A000BA7A81 | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 5310-01-657-3446 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-657-3446: Width Across Flats: 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM; Thread Series: M; Thread Pitch in Millimeters: 1.0; Thread Direction: RIGHT-HAND. 12 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.