The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-407-1693, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-407-1693 |
| Primary Part Number | 5530K37 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.156 INCHES NOMINAL IN |
| Bearing Surface Type | 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 |
|---|---|
| 5530K37 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| SNT-125 | 5/9 Secondary reference Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier |
| 5530K41 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 64A90B264-1 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 64A90B264-1 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 5310-01-407-1693 is a Nut,self-Locking,hexagon, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-407-1693 has 1 manufacturer part number on file: 5530K37 (Mcmaster-Carr Supply Co).
Key specifications for 5530K37: Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Nut Height: 0.156 INCHES NOMINAL IN; Bearing Surface Type: WASHER FACED. 4 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.