The Washer,flat, cataloged under National Stock Number 5310-01-564-0393, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-564-0393 |
| Primary Part Number | 12759-00734 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Overall Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 6.1 MILLIMETERS NOMINAL MM |
| Thickness | 2.5 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 3682185C1 | Nd Defense Llc (USA) |
| 12759-00734 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| 33203 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-564-0393 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-564-0393 has 3 manufacturer part numbers on file: 3682185C1 (Nd Defense Llc), 12759-00734 (Fastenal Company Dba Fastenal Co), 33203 (Fastenal Company Dba Fastenal Co).
1 possible match (shared part number, not a government interchangeability claim): 5836-01-594-5254. Verify interchangeability with system specifications before substitution.
Key specifications for 12759-00734: Overall Diameter: 30.0 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL; Peripheral Shape Style: ROUND. 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.