The Washer,flat, cataloged under National Stock Number 5310-01-446-4029, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wilo Usa Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Wilo Usa Llc (CAGE 13646) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-446-4029 |
| Primary Part Number | E10280B KEY NO H65 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wilo Usa Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| E10280B KEY NO H65 PRIMARY | Wilo Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 137.000.650 | 5/9 Secondary reference Wilo Usa Llc |
| E10233 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-446-4029 is a Washer,flat, manufactured by Wilo Usa Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-446-4029 has 1 manufacturer part number on file: E10280B KEY NO H65 (Wilo Usa Llc).
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.