The Washer,lock, cataloged under National Stock Number 5310-01-681-8313, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-681-8313 |
| Primary Part Number | 7950180050 |
| 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 | 0.873 INCHES NOMINAL IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.5 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7950180050 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
NSN 5310-01-681-8313 is a Washer,lock, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-681-8313 has 1 manufacturer part number on file: 7950180050 (Grove U.s. Llc Dba Grove Us Llc).
Key specifications for 7950180050: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.873 INCHES NOMINAL IN; Material Thickness: 0.125 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: HELICAL SPRING LOCK WASHER. 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.