The Washer,key, cataloged under National Stock Number 5310-00-367-8654, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-367-8654 |
| Primary Part Number | 4018068 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Internal Straight Key Width | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.033 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Material Thickness | 0.0330 INCHES MINIMUM AND 0.0355 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.192 INCHES MINIMUM AND 0.198 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 |
|---|---|
| 4018068 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5310-00-367-8654 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-367-8654 has 1 manufacturer part number on file: 4018068 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4018068: Internal Straight Key Width: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.033 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.