The Washer,finishing, cataloged under National Stock Number 5310-00-596-0355, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Regal Air, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-596-0355 |
| Primary Part Number | 0600052 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Regal Air, Inc. |
| Status | ACTIVE |
| Style Designator | FINISHING |
| Material Document and Classification | QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Recess Diameter | 0.325 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 0.187 INCHES NOMINAL IN |
| Recess Angle | 100.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 0600052 PRIMARY | Regal Air, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 0600052 | 5/9 Secondary reference Cessna Aircraft Company Dba Textron Aviation |
| HR308 | 5/9 Secondary reference H and R Tool and Machine Co |
| 0600052 | 5/9 Secondary reference H and R Tool and Machine Co |
NSN 5310-00-596-0355 is a Washer,finishing, manufactured by Regal Air, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-0355 has 1 manufacturer part number on file: 0600052 (Regal Air, Inc.).
Key specifications for 0600052: Overall Height: 0.125 INCHES NOMINAL IN; Style Designator: FINISHING; Material Document and Classification: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN. 8 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.