The Washer,flat, cataloged under National Stock Number 5310-01-666-5326, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Binder Metal Products, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-666-5326 |
| Primary Part Number | 56R200WFEA19THK |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Binder Metal Products, Inc. |
| Status | ACTIVE |
| Overall Diameter | 2.00 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.56 INCHES NOMINAL IN |
| Thickness | 0.19 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 |
|---|---|
| 56R200WFEA19THK PRIMARY | Binder Metal Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ISO-1217 | 7/2 Vendor item drawing reference Isometrics Inc |
NSN 5310-01-666-5326 is a Washer,flat, manufactured by Binder Metal Products, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-666-5326 has 1 manufacturer part number on file: 56R200WFEA19THK (Binder Metal Products, Inc.).
Key specifications for 56R200WFEA19THK: Overall Diameter: 2.00 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: WASHER. 7 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.