The Washer,flat, cataloged under National Stock Number 5310-01-617-7698, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Independent Rough Terrain Center 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Independent Rough Terrain Center Llc (CAGE 1NWY2); Hydraspecma Ab (CAGE AL48N) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-617-7698 |
| Primary Part Number | EP-0020950 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Independent Rough Terrain Center 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 |
| Part Number | Manufacturer |
|---|---|
| EP-0020950 PRIMARY | Independent Rough Terrain Center Llc (USA) |
| 233003 PRIMARY | Hydraspecma Ab (SWE) |
| Reference | Meaning |
|---|---|
| 233003 | 3/9 Design control — primary reference Specma Dunlop Hydraulic Ab |
NSN 5310-01-617-7698 is a Washer,flat, manufactured by Independent Rough Terrain Center Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-617-7698 has 2 manufacturer part numbers on file: EP-0020950 (Independent Rough Terrain Center Llc), 233003 (Hydraspecma 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.