The Lubricating Oil,hydraulic, cataloged under National Stock Number 9150-01-503-1775, is classified within Federal Supply Class 9150 (Oils and Greases: Cutting, Lubricating, and Hydraulic) of the Fuels, Lubricants, Oils, and Waxes group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9150-01-503-1775 |
| Item Name | Lubricating Oil,hydraulic |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Status | ACTIVE |
| Maximum Pour Point | -30.0 CELSIUS DEGC |
| Criticality Code Justification | FEAT |
| Features Provided | BIODEGRADABLE |
| Fatty Material Type | ANY ACCEPTABLE |
| Minimum Flash Point and Test Method | 240.0 CELSIUS CLEVELAND OPEN CUP DEGC |
| Quantity Within Each Unit Package | 1.000 GALLONS |
| Nondefinitive Spec/std Data | 3 GRADE |
| Viscosity at Rated Temp | 28.80 MINIMUM 40 DEG CELSIUS AND 41.30 MAXIMUM 40 DEG CELSIUS |
| Minimum Viscosity Index | 184.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| MIL-PRF-32073-3 | 4/1 Identification reference U.S. Government activity |
NSN 9150-01-503-1775 is a Lubricating Oil,hydraulic, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 9150-01-521-2218. Verify interchangeability with system specifications before substitution.
Key specifications for 9150-01-503-1775: Maximum Pour Point: -30.0 CELSIUS DEGC; Criticality Code Justification: FEAT; Features Provided: BIODEGRADABLE; Fatty Material Type: ANY ACCEPTABLE. 9 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.