The Washer,keyway, cataloged under National Stock Number 5310-00-488-5716, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 10 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-488-5716 |
| Primary Part Number | 3017126 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Distance From Centerline to Bottom of Internal Keyway | 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Internal Keyway Width | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Criticality Code Justification | AAUB |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Internal Keyway Quantity | 2 |
| Material Thickness | 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.3895 INCHES MINIMUM AND 0.3900 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 3017126 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
NSN 5310-00-488-5716 is a Washer,keyway, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-488-5716 has 1 manufacturer part number on file: 3017126 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-183-9917. Verify interchangeability with system specifications before substitution.
Key specifications for 3017126: Distance From Centerline to Bottom of Internal Keyway: 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN; Internal Keyway Width: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Criticality Code Justification: AAUB. 10 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.