The Washer,key, cataloged under National Stock Number 5310-01-215-3476, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-215-3476 |
| Primary Part Number | 4061880 |
| 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 | 1.330 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.060 INCHES NOMINAL IN |
| Material Thickness | 0.030 INCHES NOMINAL IN |
| External Straight Key Width | 0.100 INCHES NOMINAL IN |
| External Key Quantity | 16 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.885 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 |
|---|---|
| 4061880 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4061880 | Enjet Aero Manchester Llc (USA) |
| 4061880 | Barlow Metal Stamping, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5310PL1635093 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-215-3476 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-215-3476 has 3 manufacturer part numbers on file: 4061880 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4061880 (Enjet Aero Manchester Llc), 4061880 (Barlow Metal Stamping, Inc.).
Key specifications for 4061880: Overall Distance Including Keys: 1.330 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.060 INCHES NOMINAL 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.