The Washer,lock, cataloged under National Stock Number 5310-00-187-0153, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Agilent Technologies, Inc. Div Agilent Technologies Headquarters. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-187-0153 |
| Primary Part Number | 2190-0083 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Agilent Technologies, Inc. Div Agilent Technologies Headquarters |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Outside Diameter | 0.867 INCHES MINIMUM AND 0.883 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.512 INCHES MINIMUM AND 0.531 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 |
|---|---|
| 2190-0083 | Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA) |
| Reference | Meaning |
|---|---|
| AN936A816 | 4/1 Identification reference U.S. Government activity |
| 1924-00 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
| 2190-0083 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5310-00-187-0153 is a Washer,lock, manufactured by Agilent Technologies, Inc. Div Agilent Technologies Headquarters, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-187-0153 has 1 manufacturer part number on file: 2190-0083 (Agilent Technologies, Inc. Div Agilent Technologies Headquarters).
3 possible matches (shared part number, not a government interchangeability claim): 5310-00-194-1483, 5840-01-074-4699, 4820-01-560-1179. Verify interchangeability with system specifications before substitution.
Key specifications for 2190-0083: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.867 INCHES MINIMUM AND 0.883 INCHES MAXIMUM IN; Material Thickness: 0.040 INCHES NOMINAL IN; Surface Treatment: CADMIUM 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.