The Washer,bevel, cataloged under National Stock Number 5310-01-066-8669, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Knight Aerospace Products, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-066-8669 |
| Primary Part Number | 20B844 |
| Item Name | Washer,bevel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Knight Aerospace Products, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Minor Thickness | 0.320 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Heat Treatment | HOT ROLLED |
| Style Designator | BEVEL |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Major Thickness | 0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP M1020 OVERALL |
| Hole Diameter | 1.062 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 |
|---|---|
| 20B844 PRIMARY | Knight Aerospace Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 20B844 | 5/9 Secondary reference Page Avjet Support Equipment Corp |
NSN 5310-01-066-8669 is a Washer,bevel, manufactured by Knight Aerospace Products, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-066-8669 has 1 manufacturer part number on file: 20B844 (Knight Aerospace Products, Inc.).
Key specifications for 20B844: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Minor Thickness: 0.320 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Heat Treatment: HOT ROLLED; Style Designator: BEVEL. 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.