The Washer,key, cataloged under National Stock Number 5310-00-945-0582, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cuda II, Inc Div Aerospace Products Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-945-0582 |
| Primary Part Number | NAS1193K12-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cuda II, Inc Div Aerospace Products Company |
| Status | ACTIVE |
| Wire Hole Diameter | 0.062 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE II CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Key Center to Wire Hole Center | 0.469 INCHES NOMINAL IN |
| Style Designator | INTERNAL PREBENT KEY |
| Material Document and Classification | AMS 5350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Specification/standard Data | 80205-NAS1193 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 410 OVERALL |
| Hole Diameter | 0.781 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 |
|---|---|
| NAS1193-12-1 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| NAS1193K12-1 PRIMARY | Cuda II, Inc Div Aerospace Products Company (USA) |
| NAS1193-12-1 | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1193-12-1 | 5/2 Secondary reference U.S. Government activity |
| NAS1193-12-1 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1193-12-1 | 5/9 Secondary reference Collins Engineering Corp |
| NAS1193-12-1 | 5/9 Secondary reference Cabco Industries Inc. |
NSN 5310-00-945-0582 is a Washer,key, manufactured by Cuda II, Inc Div Aerospace Products Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-945-0582 has 3 manufacturer part numbers on file: NAS1193-12-1 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), NAS1193K12-1 (Cuda II, Inc Div Aerospace Products Company), NAS1193-12-1 (Nor-Cal Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-171-0578. Verify interchangeability with system specifications before substitution.
Key specifications for NAS1193K12-1: Wire Hole Diameter: 0.062 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TYPE II CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Key Center to Wire Hole Center: 0.469 INCHES NOMINAL IN; Style Designator: INTERNAL PREBENT KEY. 11 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.