The Washer,lock, cataloged under National Stock Number 5310-01-083-3101, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hewlett-Packard Company Dba HP. Government technical data includes 6 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 | 5310-01-083-3101 |
| Primary Part Number | 2190-0008 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hewlett-Packard Company Dba HP |
| Status | ACTIVE |
| Style Designator | FLAT EXTERNAL TEETH |
| Outside Diameter | 0.320 INCHES MAXIMUM0.320 INCHES MAXIMUM IN |
| Material Thickness | 0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.141 INCHES MINIMUM0.141 INCHES MINIMUM 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 |
|---|---|
| 2190-0008 PRIMARY | Hewlett-Packard Company Dba HP (USA) |
NSN 5310-01-083-3101 is a Washer,lock, manufactured by Hewlett-Packard Company Dba HP, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-083-3101 has 1 manufacturer part number on file: 2190-0008 (Hewlett-Packard Company Dba HP).
Key specifications for 2190-0008: Style Designator: FLAT EXTERNAL TEETH; Outside Diameter: 0.320 INCHES MAXIMUM0.320 INCHES MAXIMUM IN; Material Thickness: 0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL. 6 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.