The Washer,finishing, cataloged under National Stock Number 5310-01-252-4935, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-252-4935 |
| Primary Part Number | 90068A011 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems |
| Status | ACTIVE |
| Style Designator | FINISHING |
| Outside Diameter | 0.594 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.190 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-252-4935 is a Washer,finishing, manufactured by Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-252-4935 has 2 manufacturer part numbers on file: 90068A011 (Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems), 90068A011 (Mcmaster-Carr Supply Co).
Key specifications for 90068A011: Style Designator: FINISHING; Outside Diameter: 0.594 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL; Material: STEEL OVERALL. 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.