The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-195-4263, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is David Brown Gear Systems Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 — Torque Converters and Speed Changers (FSG 30) |
| Manufacturers | David Brown Gear Systems Limited (CAGE K2182) |
| Parameter | Value |
|---|---|
| NSN | 3010-01-195-4263 |
| Primary Part Number | RW4/820421 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | David Brown Gear Systems Limited |
| 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 |
|---|---|
| RW4/820421 | David Brown Gear Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| RW4/820421-1 | 3/9 Design control — primary reference David Brown Special Products Ltd |
| RW4/820421-1 | C/1 Advisory reference — outside the item-of-supply concept David Brown Gear Systems Limited |
| RW0/820634 PC 65 | 5/9 Secondary reference David Brown Special Products Ltd |
| RW0/820634 PC 65 | C/1 Advisory reference — outside the item-of-supply concept David Brown Gear Systems Limited |
NSN 3010-01-195-4263 is a Coupling,shaft,flexible, manufactured by David Brown Gear Systems Limited, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-195-4263 has 1 manufacturer part number on file: RW4/820421 (David Brown Gear Systems Limited).
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.