The Washer,lock, cataloged under National Stock Number 5310-00-820-3160, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Unison Industries Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-820-3160 |
| Primary Part Number | 10-92879-41 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | -AMS 7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.253 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1060 OVERALL |
| Hole Diameter | 0.141 INCHES MINIMUM AND 0.151 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 |
|---|---|
| 10-92879-41 | Satair A/s (DNK) |
| 10-92879-41 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 10-90701-3 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10-90701-3 | 5/9 Secondary reference Unison Industries Llc |
NSN 5310-00-820-3160 is a Washer,lock, manufactured by Unison Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-820-3160 has 2 manufacturer part numbers on file: 10-92879-41 (Satair A/s), 10-92879-41 (Unison Industries Llc).
Key specifications for 10-92879-41: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: -AMS 7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.253 INCHES NOMINAL IN; Material Thickness: 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN. 7 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.