The Torque Converter,nonvehicular, cataloged under National Stock Number 3010-01-373-9143, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Unex Corp Div Hytorc Division Unex Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-373-9143 |
| Primary Part Number | HY4ULC |
| Item Name | Torque Converter,nonvehicular |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Unex Corp Div Hytorc Division Unex Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| HY4ULC | Unex Corp Div Hytorc Division Unex Corporation (USA) |
| HY4ULC | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| HY-4ULC | C/1 Advisory reference — outside the item-of-supply concept Titan Technologies International, Inc. |
| SW90L | 5/9 Secondary reference Titan Technologies International Inc |
| HY-4ULC | 5/9 Secondary reference Titan Technologies International Inc |
| 111-5486616ITEM 44-1 | 3/1 Design control — primary reference Naval Sea Systems Command |
| SW90L | 5/1 Secondary reference Unex Corp Div Hytorc Division Unex Corporation |
NSN 3010-01-373-9143 is a Torque Converter,nonvehicular, manufactured by Unex Corp Div Hytorc Division Unex Corporation, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-373-9143 has 2 manufacturer part numbers on file: HY4ULC (Unex Corp Div Hytorc Division Unex Corporation), HY4ULC (Naval Inventory Control Point Mechanicsburg).
Key specifications for HY4ULC: Special Features: CHANGE INC AND FIIG.; End Item Identification: SEA WOLF. 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.
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.