The Washer,key, cataloged under National Stock Number 5310-01-593-6797, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Boeing Defence Australia Ltd. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-593-6797 |
| Primary Part Number | BACW10CR7 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Boeing Defence Australia Ltd |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| External Straight Key Width | 0.164 INCHES NOMINAL IN |
| External Key Quantity | 7 |
| Internal Prebent Key Length | 0.034 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.439 INCHES MINIMUM AND 0.449 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 | X |
| Part Number | Manufacturer |
|---|---|
| BACW10CR7 | Boeing Defence Australia Ltd (AUS) |
| Reference | Meaning |
|---|---|
| BACW10CR7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-593-6797 is a Washer,key, manufactured by Boeing Defence Australia Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-593-6797 has 1 manufacturer part number on file: BACW10CR7 (Boeing Defence Australia Ltd).
Key specifications for BACW10CR7: Internal Prebent Key Width: 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN; Style Designator: KEY; Outside Diameter: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN. 11 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.