The Washer,key, cataloged under National Stock Number 5310-00-367-8793, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-367-8793 |
| Primary Part Number | 4024873 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Overall Distance Including Keys | 1.447 INCHES MINIMUM AND 1.462 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5540 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.555 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN |
| Material Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| External Straight Key Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| External Key Quantity | 1 |
| Material | NICKEL ALLOY 600 OVERALL |
| Hole Diameter | 0.317 INCHES MINIMUM AND 0.337 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 | F |
| Part Number | Manufacturer |
|---|---|
| 4024873 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4024873 | Atlas Stamping & Manufacturing Corp Dba Atlas Stamping & Manufacturing Corp (USA) |
| 4024873 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4024873 | 5/9 Secondary reference Barlow Metal Stamping, Inc. |
| 4024873 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 5310PL0723127 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-00-367-8793 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-367-8793 has 3 manufacturer part numbers on file: 4024873 (Rtx Corporation Div Pratt & Whitney), 4024873 (Atlas Stamping & Manufacturing Corp Dba Atlas Stamping & Manufacturing Corp), 4024873 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4024873: Overall Distance Including Keys: 1.447 INCHES MINIMUM AND 1.462 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: AMS 5540 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.555 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN. 9 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.