The Rotor Assembly,governor, cataloged under National Stock Number 2990-00-228-3891, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Woodward Controls 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-228-3891 |
| Primary Part Number | SB-0776-E |
| Item Name | Rotor Assembly,governor |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Woodward Controls Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | INCLUDES HV4 FLYWEIGHTS W/O PINS,0.187 DRIVE SHAFT AND CHANNEL,NYLATRON PLUNGER W/TWO BALL BEARINGS |
| 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 |
|---|---|
| SB-0776-E PRIMARY | Woodward Controls Inc. (USA) |
| Reference | Meaning |
|---|---|
| SB776E | 5/9 Secondary reference Woodward Controls Inc. |
NSN 2990-00-228-3891 is a Rotor Assembly,governor, manufactured by Woodward Controls Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-228-3891 has 1 manufacturer part number on file: SB-0776-E (Woodward Controls Inc.).
Key specifications for SB-0776-E: General Characteristics Item Description: INCLUDES HV4 FLYWEIGHTS W/O PINS,0.187 DRIVE SHAFT AND CHANNEL,NYLATRON PLUNGER W/TWO BALL BEARINGS; End Item Identification: GOVERNOR,SYNCHRO-START MODEL GB-2. 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.