The Lubricating Oil,gear, cataloged under National Stock Number 9150-01-729-5741, is classified within Federal Supply Class 9150 (Oils and Greases: Cutting, Lubricating, and Hydraulic) of the Fuels, Lubricants, Oils, and Waxes group. The manufacturer of record is Exxon Mobil Corporation Div Exxonmobil Fuels & Lubricants Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9150-01-729-5741 |
| Primary Part Number | MOBILTAC 375 NC |
| Item Name | Lubricating Oil,gear |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Exxon Mobil Corporation Div Exxonmobil Fuels & Lubricants Company |
| Status | ACTIVE |
| Minimum Flash Point and Test Method | 121.0 CELSIUS CLEVELAND OPEN CUP DEGC |
| Viscosity at Rated Temp | 5000.0 NOMINAL 40 DEG CELSIUS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 120828 | Moore & Balliew Oil Company, Inc. (USA) |
| 410025 | Ryzhka International Llc (USA) |
| MOBILTAC 375 NC PRIMARY | Exxon Mobil Corporation Div Exxonmobil Fuels & Lubricants Company (USA) |
NSN 9150-01-729-5741 is a Lubricating Oil,gear, manufactured by Exxon Mobil Corporation Div Exxonmobil Fuels & Lubricants Company, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-729-5741 has 3 manufacturer part numbers on file: 120828 (Moore & Balliew Oil Company, Inc.), 410025 (Ryzhka International Llc), MOBILTAC 375 NC (Exxon Mobil Corporation Div Exxonmobil Fuels & Lubricants Company).
Key specifications for MOBILTAC 375 NC: Minimum Flash Point and Test Method: 121.0 CELSIUS CLEVELAND OPEN CUP DEGC; Viscosity at Rated Temp: 5000.0 NOMINAL 40 DEG CELSIUS; Special Features: PHYSICAL STATE: LIQUID; COLOR-BLACK; BOILING POINT-GREATER THAN 170 DEGREES CELSIUS; RELATIVE DENSITY-0.96 (ASTM D1298); FLASH POINT: OPEN CUP: 121 DEGREES CELSIUS (ASTM D-92); CASE OF 12 13 OUNCE CANS; EXTRA HIGH PERFORMANCE NON-LEADED, DILUENT-TYPE, HEAVY-BODIED OPEN GEAR LUBRICANTS DESIGNED FOR A WIDE VARIETY OF OPEN GEAR AND MINING APPLICATIONS; CONTAIN A NON-CHLORINATED, VOLATILE SOLVENT THAT ENSURES FLUIDITY DURING APPLICATION, EVEN AT LOW TEMPERATURES; ONCE APPLIED, THE DILUENT EVAPORATES AND THE LUBRICANTS TAKE ON A FLEXIBLE, ADHESIVE, HIGH STRENGTH CONSISTENCY THAT IS MAINTAINED THROUGHOUT SERVICE LIFE OZ; Part Name Assigned by Controlling Agency: OIL,GEAR. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.