The Washer,flat, cataloged under National Stock Number 5310-01-656-2090, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hendrickson Trailer Suspension Systems. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Hendrickson Trailer Suspension Systems (CAGE 4Q4K2); Haulmark Trailers (australia) Pty Ltd (CAGE Z4732); Hendrickson Asia Pacific Pty Ltd (CAGE ZF536) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-656-2090 |
| Primary Part Number | 22962-28 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hendrickson Trailer Suspension Systems |
| 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 |
NSN 5310-01-656-2090 is a Washer,flat, manufactured by Hendrickson Trailer Suspension Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-656-2090 has 3 manufacturer part numbers on file: 22962-28 (Hendrickson Trailer Suspension Systems), 121906 (Haulmark Trailers (australia) Pty Ltd), 22962-28 (Hendrickson Asia Pacific Pty Ltd).
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.