The Washer,flat, cataloged under National Stock Number 5310-01-237-2140, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is W-L Molding of Michigan, Llc Dba W-L Molding of Michigan Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | W-L Molding of Michigan, Llc Dba W-L Molding of Michigan Llc (CAGE 1YR83); Lockheed Martin Corporation Div Rotary and Mission Systems (CAGE 16331) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-237-2140 |
| Primary Part Number | WL200N |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | W-L Molding of Michigan, Llc Dba W-L Molding of Michigan 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 |
NSN 5310-01-237-2140 is a Washer,flat, manufactured by W-L Molding of Michigan, Llc Dba W-L Molding of Michigan Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-237-2140 has 2 manufacturer part numbers on file: WL200N (W-L Molding of Michigan, Llc Dba W-L Molding of Michigan Llc), R10417P50 (Lockheed Martin Corporation Div Rotary and Mission Systems).
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.