The Washer, cataloged under National Stock Number 5310-01-145-0622, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westerbeke Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Westerbeke Corporation (CAGE 03798); Delphi Powertrain Systems, Llc (CAGE 63632) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-145-0622 |
| Primary Part Number | NW5-18W4 |
| Item Name | Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westerbeke 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 |
|---|---|
| NW5-18W4 PRIMARY | Westerbeke Corporation (USA) |
| NW5-18W4 | Delphi Powertrain Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0825102 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NWS-18W4 | 5/9 Secondary reference Westerbeke Corporation |
| NW5-18W4 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-145-0622 is a Washer, manufactured by Westerbeke Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-145-0622 has 2 manufacturer part numbers on file: NW5-18W4 (Westerbeke Corporation), NW5-18W4 (Delphi Powertrain Systems, Llc).
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.