The Washer,key, cataloged under National Stock Number 5310-01-468-7152, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-468-7152 |
| Primary Part Number | PW-10 |
| 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 | 3.031 INCHES MINIMUM AND 3.093 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 2.438 INCHES MINIMUM AND 2.468 INCHES MAXIMUM IN |
| Material Thickness | 0.059 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| External Straight Key Width | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| External Key Quantity | 13 |
| Internal Prebent Key Length | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.992 INCHES MINIMUM AND 2.017 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 |
|---|---|
| 528-7378786 PC57 | Naval Sea Systems Command (USA) |
| PW-10 PRIMARY | Whittet-Higgins Company (USA) |
| Reference | Meaning |
|---|---|
| 7378786 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-468-7152 is a Washer,key, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-468-7152 has 2 manufacturer part numbers on file: 528-7378786 PC57 (Naval Sea Systems Command), PW-10 (Whittet-Higgins Company).
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-468-7188, 5310-01-468-7595, 5310-01-468-7600. Verify interchangeability with system specifications before substitution.
Key specifications for PW-10: Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Overall Distance Including Keys: 3.031 INCHES MINIMUM AND 3.093 INCHES MAXIMUM IN; Style Designator: KEY; Outside Diameter: 2.438 INCHES MINIMUM AND 2.468 INCHES MAXIMUM IN. 10 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.