The Piston Assembly,governor, cataloged under National Stock Number 2990-01-074-7610, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Woodward, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-074-7610 |
| Primary Part Number | 9987-961PC7 |
| Item Name | Piston Assembly,governor |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 1.749 IN. OUTSIDE DIA; 3.324 IN. O/A LG IN |
| 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 |
|---|---|
| 9987-961PC7 | Woodward, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9987-961 | D/9 Drawing number reference only Woodward, Inc. |
| 361324 | 3/9 Design control — primary reference Woodward, Inc. Div Fuel Systems and Controls |
| 361324 | C/1 Advisory reference — outside the item-of-supply concept Woodward, Inc. |
NSN 2990-01-074-7610 is a Piston Assembly,governor, manufactured by Woodward, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-074-7610 has 1 manufacturer part number on file: 9987-961PC7 (Woodward, Inc.).
Key specifications for 9987-961PC7: General Characteristics Item Description: STEEL; 1.749 IN. OUTSIDE DIA; 3.324 IN. O/A LG IN. 1 specification is documented in the U.S. Government catalog.
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.