The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-651-9531, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-651-9531 |
| Primary Part Number | NA0064-060D |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Width Across Flats | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 4H5H INTERNAL |
| Bearing Surface Finish | 3.2 MICRONS |
| Surface Treatment Document and Classification | AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | MJ |
| Thread Pitch in Millimeters | 1.0 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 6.0 MILLIMETERS MM |
| Specification/standard Data | 80205-NA0064 THRU NA0066 NATIONAL STD/SPEC |
| Nut Height | 2.9 MILLIMETERS MINIMUM AND 3.2 MILLIMETERS MAXIMUM MM |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| NA0064-060D | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| NA0064-060D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-651-9531 is a Nut,plain,hexagon, manufactured by Lockheed Martin Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-651-9531 has 1 manufacturer part number on file: NA0064-060D (Lockheed Martin Corporation).
Key specifications for NA0064-060D: Width Across Flats: 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 4H5H INTERNAL; Bearing Surface Finish: 3.2 MICRONS; Surface Treatment Document and Classification: AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL 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.