The Lubricating Oil,helicopter Trans, cataloged under National Stock Number 9150-01-682-8707, 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 Eastman Chemical Company. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9150-01-682-8707 |
| Primary Part Number | EASTMAN HALO 157 |
| Item Name | Lubricating Oil,helicopter Trans |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Eastman Chemical Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EASTMAN HALO 157 | Eastman Chemical Company (USA) |
| EASTMAN HALO 157 | Lanxess Corporation (USA) |
| EASTMAN HALO 157 PRIMARY | Eastman Chemical Company (USA) |
| Reference | Meaning |
|---|---|
| MIL-PRF-32538 STD | 4/1 Identification reference U.S. Government activity |
| MIL-PRF-32538 | 4/1 Identification reference U.S. Government activity |
NSN 9150-01-682-8707 is a Lubricating Oil,helicopter Trans, manufactured by Eastman Chemical Company, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-682-8707 has 3 manufacturer part numbers on file: EASTMAN HALO 157 (Eastman Chemical Company), EASTMAN HALO 157 (Lanxess Corporation), EASTMAN HALO 157 (Eastman Chemical Company).
Key specifications for EASTMAN HALO 157: Special Features: PHYSICAL FORM: LIQUID; COLOR: CLEAR AMBER; MELTING POINT: -60.00 DEG. F.; FLASH POINT: 505.00 DEG. F. CLOSED CUP; RELATIVE DENSITY: 0.986; DENSITY: 986.00 KG/CM3; KINEMATIC VISCOSITY: 52.80 MM2/S; AROMATIC ODOR; INCOMPATIBLE MATERIALS: STRONG OXIDIZING AGENTS; HAZARDOUS DECOMPOSITION PRODUCTS: EMITS ACRID SMOKE AND FUMES WHEN HEATED TO DECOMPOSITION; KG; Part Name Assigned by Controlling Agency: EASTMAN HALO 157 LUBRICATING OIL; End Item Identification: AVIATION TRANMISSION OIL AND HELICOPTER GEAR OIL. 0 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.