The Washer,key, cataloged under National Stock Number 5310-00-765-9948, 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 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-765-9948 |
| Primary Part Number | 393516 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| External Straight Key Width | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Material | STEEL COMP 301 OVERALL |
| Hole Diameter | 0.502 INCHES MINIMUM AND 0.512 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 |
|---|---|
| 393516 | Enjet Aero Manchester Llc (USA) |
| 393516 | Alinabal Holdings Corporation Div Engineered Products Group (USA) |
| 393516 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 393516 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| Reference | Meaning |
|---|---|
| 393516 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-765-9948 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-765-9948 has 4 manufacturer part numbers on file: 393516 (Enjet Aero Manchester Llc), 393516 (Alinabal Holdings Corporation Div Engineered Products Group), 393516 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 393516 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring).
Key specifications for 393516: External Straight Key Width: 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN; Material: STEEL COMP 301 OVERALL; Hole Diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN. 3 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.