The Washer,key, cataloged under National Stock Number 5310-01-418-5880, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-418-5880 |
| Primary Part Number | 101A783BC-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Overall Distance Including Keys | 1.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-766 CLASS 321 COND A FIN 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| External Prebent Key Width | 1.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.812 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 |
|---|---|
| 101A783BC-1 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 101A783BC-1 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 101A783BC-1 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| 509E821AFPN16 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
NSN 5310-01-418-5880 is a Washer,key, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-418-5880 has 1 manufacturer part number on file: 101A783BC-1 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for 101A783BC-1: Overall Distance Including Keys: 1.875 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766 CLASS 321 COND A FIN 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; External Prebent Key Width: 1.000 INCHES NOMINAL IN; Material: STEEL OVERALL. 5 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.