The Washer,key, cataloged under National Stock Number 5310-00-186-0992, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Whittet-Higgins Company. Government technical data includes 11 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 | 5310-00-186-0992 |
| Primary Part Number | W08PH0SPHATEC0ATED |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Whittet-Higgins Company |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 2.469 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Material Thickness | 0.058 INCHES NOMINAL IN |
| External Key Quantity | 15 |
| Internal Prebent Key Length | 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| External Prebent Key Width | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.583 INCHES MINIMUM AND 1.603 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 |
|---|---|
| W08PH0SPHATEC0ATED PRIMARY | Whittet-Higgins Company (USA) |
NSN 5310-00-186-0992 is a Washer,key, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-186-0992 has 1 manufacturer part number on file: W08PH0SPHATEC0ATED (Whittet-Higgins Company).
Key specifications for W08PH0SPHATEC0ATED: Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Overall Distance Including Keys: 2.469 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN. 11 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.