The Washer,lock, cataloged under National Stock Number 5310-00-472-6927, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-472-6927 |
| Primary Part Number | 2190-0108 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hewlett-Packard Company Dba HP |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | 66 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.226 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.115 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 |
|---|---|
| 2190-0108 PRIMARY | Hewlett-Packard Company Dba HP (USA) |
| N04-40X1-32THK | Federal Screw Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2190-0108 | 5/9 Secondary reference Keysight Technologies, Inc. |
NSN 5310-00-472-6927 is a Washer,lock, manufactured by Hewlett-Packard Company Dba HP, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-472-6927 has 2 manufacturer part numbers on file: 2190-0108 (Hewlett-Packard Company Dba HP), N04-40X1-32THK (Federal Screw Products, Inc.).
Key specifications for 2190-0108: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: 66 MIL STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.226 INCHES MAXIMUM IN; Material Thickness: 0.031 INCHES NOMINAL IN. 7 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.