The Washer,key, cataloged under National Stock Number 5310-00-435-1050, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Anillo Industries Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-435-1050 |
| Primary Part Number | LS35079A05 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| Wire Hole Diameter | 0.071 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ST+58-016,FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.059 INCHES NOMINAL IN |
| Distance From Key Center to Wire Hole Center | 0.141 INCHES NOMINAL IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Style Designator | INTERNAL PREBENT KEY |
| Material Document and Classification | MIL-S-7947,COND 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.510 INCHES NOMINAL IN |
| Material Thickness | 0.051 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND TITANIUM OVERALL |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 0.329 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 |
|---|---|
| LS35079A05 | Anillo Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| LS35079A05 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-435-1050 is a Washer,key, manufactured by Anillo Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-435-1050 has 1 manufacturer part number on file: LS35079A05 (Anillo Industries Llc).
Key specifications for LS35079A05: Wire Hole Diameter: 0.071 INCHES NOMINAL IN; Surface Treatment Document and Classification: ST+58-016,FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.059 INCHES NOMINAL IN; Distance From Key Center to Wire Hole Center: 0.141 INCHES NOMINAL IN. 12 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.