The Washer,lock, cataloged under National Stock Number 5310-01-525-7261, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-525-7261 |
| Primary Part Number | 1011-939 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Thickness | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.193 INCHES MINIMUM AND 0.200 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 |
NSN 5310-01-525-7261 is a Washer,lock, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-525-7261 has 3 manufacturer part numbers on file: 03040-205 (Woodward, Inc.), 03040-265 (Woodward, Inc.), 1011-939 (Woodward, Inc. Div Fuel Systems and Controls).
Key specifications for 1011-939: Overall Height: 0.334 INCHES NOMINAL IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Material: STEEL 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.