The Washer,lock, cataloged under National Stock Number 5310-01-207-7581, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Itw Food Equipment Group Llc Dba Hobart Service. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-207-7581 |
| Primary Part Number | WL-3-48 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Itw Food Equipment Group Llc Dba Hobart Service |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.460 INCHES NOMINAL IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.318 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 |
|---|---|
| WL-3-48 PRIMARY | Itw Food Equipment Group Llc Dba Hobart Service (USA) |
| Reference | Meaning |
|---|---|
| 77643-69X3 PIECE 19 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-207-7581 is a Washer,lock, manufactured by Itw Food Equipment Group Llc Dba Hobart Service, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-207-7581 has 1 manufacturer part number on file: WL-3-48 (Itw Food Equipment Group Llc Dba Hobart Service).
Key specifications for WL-3-48: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.460 INCHES NOMINAL IN; Material Thickness: 0.062 INCHES NOMINAL IN; 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.