The Washer,flat, cataloged under National Stock Number 5310-01-442-0205, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ward Leonard Ct Llc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Ward Leonard Ct Llc (CAGE 63743); Ward Leonard Ct Llc (CAGE 20019) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-442-0205 |
| Primary Part Number | N402AP41B6 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| N402AP41B6 | Ward Leonard Ct Llc (USA) |
| 149C4252 PT 3 | Ward Leonard Ct Llc (USA) |
| N402AP41B6 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0676631 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-442-0205 is a Washer,flat, manufactured by Ward Leonard Ct Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-442-0205 has 3 manufacturer part numbers on file: N402AP41B6 (Ward Leonard Ct Llc), 149C4252 PT 3 (Ward Leonard Ct Llc), N402AP41B6 (Ward Leonard Ct 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.