The Washer,lock, cataloged under National Stock Number 5310-01-663-0595, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-663-0595 |
| Primary Part Number | 7951270210 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Grove U.s. Llc Dba Grove Us Llc |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 30.6 MILLIMETERS NOMINAL MM |
| Material Thickness | 4.30 MILLIMETERS MINIMUM AND 4.70 MILLIMETERS MAXIMUM MM |
| Material | STEEL OVERALL |
| Hole Diameter | 20.2 MILLIMETERS MINIMUM AND 21.2 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 7951270210 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
| 0124774 | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-663-0595 is a Washer,lock, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-663-0595 has 2 manufacturer part numbers on file: 7951270210 (Grove U.s. Llc Dba Grove Us Llc), 0124774 (Fastenal Company Dba Fastenal Co).
Key specifications for 7951270210: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 30.6 MILLIMETERS NOMINAL MM; Material Thickness: 4.30 MILLIMETERS MINIMUM AND 4.70 MILLIMETERS MAXIMUM MM; End Item Identification: 01-607-9674. 5 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.