The Washer,flat, cataloged under National Stock Number 5310-01-423-0899, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Leslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-423-0899 |
| Primary Part Number | N-584 PIECE 17 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| 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 |
|---|---|
| N-584 PIECE 17 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 222506-23 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| B222506-23 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-423-0899 is a Washer,flat, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-423-0899 has 2 manufacturer part numbers on file: N-584 PIECE 17 (Leslie Controls, Inc. Dba Leslie Controls Inc), 222506-23 (Leslie Controls, Inc. Dba Leslie Controls Inc).
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.