The Washer,flat, cataloged under National Stock Number 5310-01-499-7189, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Urdan Industries Usa Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Urdan Industries Usa Inc (CAGE 65793) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-499-7189 |
| Primary Part Number | 5-601-138 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Urdan Industries Usa 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 |
|---|---|
| 5-601-138 PRIMARY | Urdan Industries Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 10367361 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-499-7189 is a Washer,flat, manufactured by Urdan Industries Usa Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-499-7189 has 1 manufacturer part number on file: 5-601-138 (Urdan Industries Usa 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.