The Washer,key, cataloged under National Stock Number 5310-00-448-7022, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-448-7022 |
| Primary Part Number | 87297 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.281 INCHES NOMINAL IN |
| Overall Distance Including Keys | 4.125 INCHES NOMINAL IN |
| Style Designator | EXTERNAL AND INTERNAL PRE-BENT KEYS |
| Material Document and Classification | AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.688 INCHES NOMINAL IN |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| External Key Quantity | 28 |
| Internal Prebent Key Length | 0.093 INCHES NOMINAL IN |
| External Prebent Key Width | 0.313 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OVERALL |
| Internal Key Quantity | 3 |
| Hole Diameter | 3.031 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 |
|---|---|
| 87297 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 87297 | 5/9 Secondary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
NSN 5310-00-448-7022 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-448-7022 has 1 manufacturer part number on file: 87297 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 87297: Internal Prebent Key Width: 0.281 INCHES NOMINAL IN; Overall Distance Including Keys: 4.125 INCHES NOMINAL IN; Style Designator: EXTERNAL AND INTERNAL PRE-BENT KEYS; Material Document and Classification: AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.