The Washer,lock, cataloged under National Stock Number 5310-00-596-4908, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-596-4908 |
| Primary Part Number | PE49 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Style Designator | COUNTERSINK INTERNAL TEETH |
| Outside Diameter | 0.575 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| Countersink Angle | 45.0 DEGREES NOMINAL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.318 INCHES MINIMUM AND 0.333 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 |
|---|---|
| PE49 PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| PD49 | C/1 Advisory reference — outside the item-of-supply concept Wisconsin Motors, Llc |
NSN 5310-00-596-4908 is a Washer,lock, manufactured by Wisconsin Motors, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-4908 has 1 manufacturer part number on file: PE49 (Wisconsin Motors, Llc).
Key specifications for PE49: Style Designator: COUNTERSINK INTERNAL TEETH; Outside Diameter: 0.575 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN; Material Thickness: 0.025 INCHES NOMINAL IN; Countersink Angle: 45.0 DEGREES NOMINAL. 6 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.