The Washer,key, cataloged under National Stock Number 5310-00-924-8048, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-924-8048 |
| Primary Part Number | 65112-07007-101 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rotair Aerospace Corp |
| Status | ACTIVE |
| Overall Distance Including Keys | 3.812 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-5059,1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.250 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Width Between Flats | 2.659 INCHES MINIMUM AND 2.664 INCHES MAXIMUM IN |
| External Straight Key Width | 0.230 INCHES NOMINAL IN |
| External Key Quantity | 17 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 2.780 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 |
|---|---|
| 65112-07007-101 PRIMARY | Rotair Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 65112-07007-101 | 7/2 Vendor item drawing reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 5310-00-924-8048 is a Washer,key, manufactured by Rotair Aerospace Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-924-8048 has 1 manufacturer part number on file: 65112-07007-101 (Rotair Aerospace Corp).
Key specifications for 65112-07007-101: Overall Distance Including Keys: 3.812 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: MIL-S-5059,1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.250 INCHES NOMINAL 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.