The Washer,shouldered, cataloged under National Stock Number 5310-01-210-4430, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | The Boeing Company (CAGE 77272); Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (CAGE 09455); Rbc Aircraft Products, Inc. (CAGE 3NPS1) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-210-4430 |
| Primary Part Number | 90216 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| 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 |
|---|---|
| A02RS285-2 | The Boeing Company (USA) |
| 90216 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| FBJW49TF55A20YE9055 PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| FBJW49TF55A20YE9055 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 5310-01-210-4430 is a Washer,shouldered, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-210-4430 has 3 manufacturer part numbers on file: A02RS285-2 (The Boeing Company), 90216 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), FBJW49TF55A20YE9055 (Rbc Aircraft Products, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5330-01-441-9175, 5995-01-548-1013, 5310-01-597-2476. Verify interchangeability with system specifications before substitution.
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.