The Washer,key, cataloged under National Stock Number 5310-00-182-5756, 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 15 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 | 5310-00-182-5756 |
| Primary Part Number | 3018176 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.465 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN |
| Split Key Length | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.885 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN |
| Heat Treatment | STRESS RELIEVED |
| Style Designator | KEY |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| External Tapered Key Width | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| External Key Quantity | 3 |
| External Prebent Key Angle | 10.0 DEGREES MINIMUM AND 20.0 DEGREES MAXIMUM |
| External Prebent Key Width | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OVERALL |
| Angle Between External Keys | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| Hole Diameter | 0.325 INCHES MINIMUM AND 0.330 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 |
|---|---|
| 3018176 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
NSN 5310-00-182-5756 is a Washer,key, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-182-5756 has 1 manufacturer part number on file: 3018176 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 3018176: Distance From Centerline to Inside of Prebent Key: 0.465 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN; Split Key Length: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.885 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN; Heat Treatment: STRESS RELIEVED. 15 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.