The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2930-01-595-4668, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Jgils, Llc Dba Jgils Llc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2930-01-595-4668 |
| Primary Part Number | OC-H7B |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Jgils, Llc Dba Jgils Llc |
| 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 |
|---|---|
| OC-H7B | Jgils, Llc Dba Jgils Llc (USA) |
| 04-21467 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| OC-H7B | Kampi Components Co Inc (USA) |
| Reference | Meaning |
|---|---|
| OC-H7B | 3/9 Design control — primary reference Transtar Industries, Inc. |
NSN 2930-01-595-4668 is a Cooler,lubricating Oil,engine, manufactured by Jgils, Llc Dba Jgils Llc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-595-4668 has 3 manufacturer part numbers on file: OC-H7B (Jgils, Llc Dba Jgils Llc), 04-21467 (Department of Defense Project Manager-Mobile Electric Power), OC-H7B (Kampi Components Co Inc).
Key specifications for OC-H7B: Special Features: INLET AND OUTLET CONNECTIONS: FEMALE, 0.500 INCH NPT, 11.000 X 11.000 X 1.500 INCH IN; Part Name Assigned by Controlling Agency: LONG,THRU COOL ENGINE AND TRANSMISSION OIL COOLER,HEAVY DUTY APPLICATION; End Item Identification: 6115-01-561-7738 GENERATOR SET,DIESEL ENGINE. 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.