The Washer,key, cataloged under National Stock Number 5310-00-049-3154, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-049-3154 |
| Primary Part Number | 64H655-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 103T867 | Westinghouse Electric Corp (USA) |
| 64H655-1 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 64H655-1 PRIMARY | Westinghouse Electric Corp (USA) |
| 103T867 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 103T867 | 5/9 Secondary reference Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
NSN 5310-00-049-3154 is a Washer,key, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-049-3154 has 4 manufacturer part numbers on file: 103T867 (Westinghouse Electric Corp), 64H655-1 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 64H655-1 (Westinghouse Electric Corp), 103T867 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 64H655-1: Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Material: STEEL OVERALL. 1 specification is 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.