The Washer,lock, cataloged under National Stock Number 5310-01-116-4766, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tld Wollard Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-116-4766 |
| Primary Part Number | 39561 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tld Wollard Llc |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | SAE J489 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.673 INCHES NOMINAL IN |
| Material Thickness | 0.070 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.382 INCHES MINIMUM AND 0.393 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 5310-01-116-4766 is a Washer,lock, manufactured by Tld Wollard Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-116-4766 has 3 manufacturer part numbers on file: 39561 (Tld Wollard Llc), 0920054 (Rolls-Royce Solutions America Inc), 0920054 (Perkins Engines Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-182-7234, 6515-01-378-9659. Verify interchangeability with system specifications before substitution.
Key specifications for 39561: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: SAE J489 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.673 INCHES NOMINAL IN; Material Thickness: 0.070 INCHES NOMINAL IN. 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.