The Washer,key, cataloged under National Stock Number 5310-00-367-8628, 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 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-367-8628 |
| Primary Part Number | 4001886 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.810 INCHES MINIMUM AND 2.830 INCHES MAXIMUM IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN |
| External Key Quantity | 19 |
| Material | STEEL COMP 321 OVERALL |
| Hole Diameter | 2.560 INCHES MINIMUM AND 2.570 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 | F |
| Part Number | Manufacturer |
|---|---|
| 4001886 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4001886 | 5/9 Secondary reference U.S. Government activity |
| 4001886 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 5310PL0721333 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-00-367-8628 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-367-8628 has 1 manufacturer part number on file: 4001886 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4001886: Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.810 INCHES MINIMUM AND 2.830 INCHES MAXIMUM IN; Material Thickness: 0.027 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN; External Key Quantity: 19. 6 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.