The Washer,flat, cataloged under National Stock Number 5310-01-582-5214, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eby Group, Llc, the Dba Eby Company Div Eby Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-582-5214 |
| Primary Part Number | 9766-257-01 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Eby Group, Llc, the Dba Eby Company Div Eby Company |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| 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 |
|---|---|
| 9766-257-01 | General Dynamics Land Systems Canadacorp (CAN) |
| 9766-257-01 PRIMARY | Eby Group, Llc, the Dba Eby Company Div Eby Company (USA) |
| Reference | Meaning |
|---|---|
| 9766-257-01 | 3/9 Design control — primary reference General Dynamics Land Systems Inc. |
NSN 5310-01-582-5214 is a Washer,flat, manufactured by Eby Group, Llc, the Dba Eby Company Div Eby Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-582-5214 has 2 manufacturer part numbers on file: 9766-257-01 (General Dynamics Land Systems Canadacorp), 9766-257-01 (Eby Group, Llc, the Dba Eby Company Div Eby Company).
Key specifications for 9766-257-01: Cross-Sectional Shape Style: RECTANGULAR; Special Features: NHA COMMUNICATION EQUIPMENT; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: INSULATOR WASHER. 3 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.