The Washer,key, cataloged under National Stock Number 5310-00-863-1865, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-863-1865 |
| Primary Part Number | 442252 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Material Document and Classification | AMS 4001 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.400 INCHES NOMINAL IN |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.972 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 |
|---|---|
| 442252 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 442252 | 5/9 Secondary reference Alinabal Holdings Corporation Div Engineered Products Group |
| 442252 | 5/9 Secondary reference Enjet Aero Manchester Llc |
| 442252 | 5/9 Secondary reference Crest Good Manufacturing Co Inc |
NSN 5310-00-863-1865 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-863-1865 has 1 manufacturer part number on file: 442252 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 442252: Material Document and Classification: AMS 4001 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.400 INCHES NOMINAL IN; Material Thickness: 0.025 INCHES NOMINAL IN; Material: ALUMINUM ALLOY OVERALL. 5 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.