The Washer,lock, cataloged under National Stock Number 5310-01-680-4895, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Saginaw Products Corporation Dba Cignys. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-680-4895 |
| Primary Part Number | SHLW5/16ZP |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Saginaw Products Corporation Dba Cignys |
| Status | ACTIVE |
| Outside Diameter | 0.457 INCHES MAXIMUM IN |
| Material Thickness | 0.093 INCHES MINIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Hole Diameter | 0.314 INCHES MINIMUM AND 0.322 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 |
|---|---|
| SHLW5/16ZP PRIMARY | Saginaw Products Corporation Dba Cignys (USA) |
| Reference | Meaning |
|---|---|
| 61326 | D/9 Drawing number reference only Saginaw Products Corporation Dba Cignys |
NSN 5310-01-680-4895 is a Washer,lock, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-680-4895 has 1 manufacturer part number on file: SHLW5/16ZP (Saginaw Products Corporation Dba Cignys).
Key specifications for SHLW5/16ZP: Outside Diameter: 0.457 INCHES MAXIMUM IN; Material Thickness: 0.093 INCHES MINIMUM IN; Special Features: NOMINAL WASHER SIZE 5/16 OR 0.312 INCHES IN; Surface Treatment: ZINC OVERALL. 4 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.