The Washer,flat, cataloged under National Stock Number 5310-01-431-4069, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Yanmar America Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center (CAGE 040W0); Yanmar America Corporation (CAGE 80LX1) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-431-4069 |
| Primary Part Number | 160310-14550 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Yanmar America Corporation |
| 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 |
|---|---|
| 160310-14550 | Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center (USA) |
| 160310-14550 PRIMARY | Yanmar America Corporation (USA) |
| Reference | Meaning |
|---|---|
| 160310-14550 | 3/9 Design control — primary reference Yanmar Diesel America Corp |
NSN 5310-01-431-4069 is a Washer,flat, manufactured by Yanmar America Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-431-4069 has 2 manufacturer part numbers on file: 160310-14550 (Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center), 160310-14550 (Yanmar America Corporation).
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.