The Nut,self-Locking,square, cataloged under National Stock Number 5310-01-702-2970, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Macartney Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Nut,self-Locking,square |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Macartney Inc (CAGE 1PNG7) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-702-2970 |
| Primary Part Number | 0031040708-035 |
| Item Name | Nut,self-Locking,square |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Macartney Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 8667865-011 | Naval Sea Systems Command (USA) |
| 0031040708-035 PRIMARY | Macartney Inc (USA) |
| Reference | Meaning |
|---|---|
| 8667865/SHEET 4/ITEM 11 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-702-2970 is a Nut,self-Locking,square, manufactured by Macartney Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-702-2970 has 2 manufacturer part numbers on file: 8667865-011 (Naval Sea Systems Command), 0031040708-035 (Macartney Inc).
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.