The Gear Assembly,speed Increaser, cataloged under National Stock Number 3010-01-654-1888, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cotta Transmission Co Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-654-1888 |
| Primary Part Number | SI2E-50 |
| Item Name | Gear Assembly,speed Increaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Cotta Transmission Co Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SI2E-50 PRIMARY | Cotta Transmission Co Llc (USA) |
| Reference | Meaning |
|---|---|
| SI2E-47 | 3/9 Design control — primary reference Cotta Transmission Co Llc |
NSN 3010-01-654-1888 is a Gear Assembly,speed Increaser, manufactured by Cotta Transmission Co Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-654-1888 has 1 manufacturer part number on file: SI2E-50 (Cotta Transmission Co Llc).
Key specifications for SI2E-50: Special Features: RATIO: 1 TO 2.25 OVERSPEED ENGINE ROTATION; MAX SPEED: 3600 RPM; MAX TORQUE: 1300 FT-LB; MAX POWER: 450 HP; APPX. WEIGHT: 606 LB LBS; Part Name Assigned by Controlling Agency: OVERSPEED UNIT; End Item Identification: USCG ICE BREAKING TUG 140 FT (WTGB) FT. 0 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.
NSN 3010-01-654-1888 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.