The Washer,key, cataloged under National Stock Number 5310-00-792-3555, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Mission Systems, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-792-3555 |
| Primary Part Number | SMC618048-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Mission Systems, Inc. |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.344 INCHES NOMINAL IN |
| External Prebent Key Length | 0.062 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.689 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.594 INCHES NOMINAL IN |
| Material Thickness | 0.035 INCHES NOMINAL IN |
| External Prebent Key Width | 0.188 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.375 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 |
|---|---|
| SMC618048-1 PRIMARY | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SMC618048-1 | 5/9 Secondary reference Gte Sylvania Inc Electronic Systems Group-Buffalo Div |
NSN 5310-00-792-3555 is a Washer,key, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-792-3555 has 1 manufacturer part number on file: SMC618048-1 (General Dynamics Mission Systems, Inc.).
Key specifications for SMC618048-1: Distance From Centerline to Inside of Prebent Key: 0.344 INCHES NOMINAL IN; External Prebent Key Length: 0.062 INCHES NOMINAL IN; Overall Distance Including Keys: 0.689 INCHES NOMINAL IN; Style Designator: KEY. 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.