The Column Subassembly,, cataloged under National Stock Number 2990-00-218-6722, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Column Subassembly, |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Curtiss-Wright Controls, Inc. Div Actuation Division (CAGE 0AHP5); Hatch & Kirk, Inc. (CAGE 55380) |
| Parameter | Value |
|---|---|
| NSN | 2990-00-218-6722 |
| Primary Part Number | 21-75836-50 |
| Item Name | Column Subassembly, |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| 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 |
|---|---|
| G58BM9X | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| 21-75836-50 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| 3379739 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3379739 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 2990-00-218-6722 is a Column Subassembly,, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-218-6722 has 3 manufacturer part numbers on file: G58BM9X (Curtiss-Wright Controls, Inc. Div Actuation Division), 21-75836-50 (Curtiss-Wright Controls, Inc. Div Actuation Division), 3379739 (Hatch & Kirk, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-507-4607. 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.