The Washer,flat, cataloged under National Stock Number 5310-01-033-8614, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-033-8614 |
| Primary Part Number | 2066-1157 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Surface Treatment Document and Classification | HA296MR105,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.225 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-766,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.1510 INCHES MINIMUM AND 0.1540 INCHES MAXIMUM IN |
| Thickness | 0.031 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 |
|---|---|
| 2066-1157 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2066-1157 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5310-01-033-8614 is a Washer,flat, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-033-8614 has 1 manufacturer part number on file: 2066-1157 (Raytheon Company Dba Raytheon Co).
Key specifications for 2066-1157: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Surface Treatment Document and Classification: HA296MR105,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.225 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-766,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.