The Washer,lock, cataloged under National Stock Number 5310-01-328-1693, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-328-1693 |
| Primary Part Number | 16-01592-003 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Outside Diameter | 0.500 INCHES MAXIMUM IN |
| Material Thickness | 0.018 INCHES NOMINAL IN |
| Hole Diameter | 0.265 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 |
| Part Number | Manufacturer |
|---|---|
| 16-01592-003 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 2098-3248-00 | 3/9 Design control — primary reference U.S. Government activity |
| 4001-26-0631 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-328-1693 is a Washer,lock, manufactured by Raytheon Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-328-1693 has 1 manufacturer part number on file: 16-01592-003 (Raytheon Company).
Key specifications for 16-01592-003: Outside Diameter: 0.500 INCHES MAXIMUM IN; Material Thickness: 0.018 INCHES NOMINAL IN; Hole Diameter: 0.265 INCHES NOMINAL IN. 3 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.