The Washer,key, cataloged under National Stock Number 5310-00-019-1583, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rotair Aerospace Corp. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-019-1583 |
| Primary Part Number | S6110-23017-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rotair Aerospace Corp |
| Status | ACTIVE |
| Overall Distance Including Keys | 3.454 INCHES MINIMUM AND 3.484 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-5059 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.031 INCHES MINIMUM AND 3.051 INCHES MAXIMUM IN |
| Material Thickness | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Width Between Flats | 2.516 INCHES MINIMUM AND 2.519 INCHES MAXIMUM IN |
| External Straight Key Width | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| External Key Quantity | 17 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 2.781 INCHES MINIMUM AND 2.791 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 |
|---|---|
| S6110-23017-1 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S6110-23017-1 PRIMARY | Rotair Aerospace Corp (USA) |
NSN 5310-00-019-1583 is a Washer,key, manufactured by Rotair Aerospace Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-019-1583 has 2 manufacturer part numbers on file: S6110-23017-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S6110-23017-1 (Rotair Aerospace Corp).
Key specifications for S6110-23017-1: Overall Distance Including Keys: 3.454 INCHES MINIMUM AND 3.484 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: MIL-S-5059 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.031 INCHES MINIMUM AND 3.051 INCHES MAXIMUM IN. 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.