The Cup-Ballhead Drive, cataloged under National Stock Number 2990-01-461-2496, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Woodward, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Cup-Ballhead Drive |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Woodward, Inc. (CAGE 31361) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-461-2496 |
| Primary Part Number | 9988-868 ITEM 279 |
| Item Name | Cup-Ballhead Drive |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Woodward, Inc. |
| 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 |
|---|---|
| 9988-868 ITEM 279 PRIMARY | Woodward, Inc. (USA) |
| Reference | Meaning |
|---|---|
| GOVERNOR-EGB-J0D | D/9 Drawing number reference only Woodward, Inc. |
| 4507-025 | C/1 Advisory reference — outside the item-of-supply concept Woodward, Inc. |
NSN 2990-01-461-2496 is a Cup-Ballhead Drive, manufactured by Woodward, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-461-2496 has 1 manufacturer part number on file: 9988-868 ITEM 279 (Woodward, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-461-2498. 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.