The Washer,flat, cataloged under National Stock Number 5310-01-488-9397, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Motor Parts Inc of Michigan. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Motor Parts Inc of Michigan (CAGE 51071); Tnl Sales Llc (CAGE 1XLG2); Larkos Packing and Distribution Inc. (CAGE 6PZL1) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-488-9397 |
| Primary Part Number | W2T90482 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Motor Parts Inc of Michigan |
| 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 |
|---|---|
| W2T90482 | Motor Parts Inc of Michigan (USA) |
| W2T90482 | Tnl Sales Llc (USA) |
| W2T90482 | Larkos Packing and Distribution Inc. (USA) |
| Reference | Meaning |
|---|---|
| W2T90482 | 5/2 Secondary reference U.S. Government activity |
| 31810-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-488-9397 is a Washer,flat, manufactured by Motor Parts Inc of Michigan, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-488-9397 has 3 manufacturer part numbers on file: W2T90482 (Motor Parts Inc of Michigan), W2T90482 (Tnl Sales Llc), W2T90482 (Larkos Packing and Distribution 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.