The Washer,lock, cataloged under National Stock Number 5310-01-110-7932, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Keysight Technologies Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-110-7932 |
| Primary Part Number | 2190-0411 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Style Designator | FLAT EXTERNAL TEETH |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Material Thickness | 0.015 INCHES NOMINAL IN |
| Hole Diameter | 0.116 INCHES MINIMUM AND 0.123 INCHES MAXIMUM 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 |
|---|---|
| 2190-0411 PRIMARY | Keysight Technologies Inc (USA) |
| 99502 | Federal Screw Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2190-0411 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 1604-00-4102 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| 1604-00-004000 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| 2190-0411 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5310-01-110-7932 is a Washer,lock, manufactured by Keysight Technologies Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-110-7932 has 2 manufacturer part numbers on file: 2190-0411 (Keysight Technologies Inc), 99502 (Federal Screw Products, Inc.).
Key specifications for 2190-0411: Style Designator: FLAT EXTERNAL TEETH; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Material Thickness: 0.015 INCHES NOMINAL IN. 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.