The Governor,gasoline Engine, cataloged under National Stock Number 2990-00-421-1533, 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 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-00-421-1533 |
| Primary Part Number | SA503A |
| Item Name | Governor,gasoline Engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Woodward Controls Inc. |
| Status | ACTIVE |
| Drive Type | FLEXIBLE SHAFT |
| Governor Type | CENTRIFUGAL |
| Hydraulic Control | NOT INCLUDED |
| Spark Control | NOT INCLUDED |
| Drive Shaft Type | ANY ACCEPTABLE AND ROUND |
| Speed Control Type | OVERSPEED |
| Mounting Type | POST |
| Lever for Manual Operation | INCLUDED |
| 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 |
|---|---|
| SA503A PRIMARY | Woodward Controls Inc. (USA) |
| Reference | Meaning |
|---|---|
| SA503A-P | 5/9 Secondary reference Woodward Controls Inc. |
NSN 2990-00-421-1533 is a Governor,gasoline Engine, manufactured by Woodward Controls Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-421-1533 has 1 manufacturer part number on file: SA503A (Woodward Controls Inc.).
Key specifications for SA503A: Drive Type: FLEXIBLE SHAFT; Governor Type: CENTRIFUGAL; Hydraulic Control: NOT INCLUDED; Spark Control: NOT INCLUDED. 8 specifications are 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.