The Washer,flat, cataloged under National Stock Number 5310-01-425-3471, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kalmar Solutions Ab. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Kalmar Solutions Ab (CAGE A184N) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-425-3471 |
| Primary Part Number | 178 0373-801 IT 017 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kalmar Solutions Ab |
| 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 |
|---|---|
| 478 1048-001 | Kalmar Solutions Ab (SWE) |
| 178 0373-801 IT 017 PRIMARY | Kalmar Solutions Ab (SWE) |
| Reference | Meaning |
|---|---|
| 478 1048-001 | 5/9 Secondary reference Cargotec Sweden Ab - Macgregor Cranes |
| 178 0373-801 IT 017 | 3/9 Design control — primary reference Cargotec Sweden Ab - Macgregor Cranes |
NSN 5310-01-425-3471 is a Washer,flat, manufactured by Kalmar Solutions Ab, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-425-3471 has 2 manufacturer part numbers on file: 478 1048-001 (Kalmar Solutions Ab), 178 0373-801 IT 017 (Kalmar Solutions Ab).
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.