The Power Takeoff,engine, cataloged under National Stock Number 2990-01-138-2028, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-138-2028 |
| Primary Part Number | SP114P110 |
| Item Name | Power Takeoff,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| General Characteristics Item Description | CONSIST OF STEEL HOUSING,STEEL CLUTCH DICS,O/D 21 3/4 INS.,O/L 24 3/4,SPLINE DRIVEN,MOUNTED ON REAR END OF THE MAIN ENGINE OF THE 46 FT. BUOY BOAT FT |
| 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 |
|---|---|
| SP114P110 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| Reference | Meaning |
|---|---|
| SP114P1 | 3/9 Design control — primary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
NSN 2990-01-138-2028 is a Power Takeoff,engine, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-138-2028 has 1 manufacturer part number on file: SP114P110 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for SP114P110: General Characteristics Item Description: CONSIST OF STEEL HOUSING,STEEL CLUTCH DICS,O/D 21 3/4 INS.,O/L 24 3/4,SPLINE DRIVEN,MOUNTED ON REAR END OF THE MAIN ENGINE OF THE 46 FT. BUOY BOAT FT. 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.