The Hydraulic Fluid,petroleum Base, cataloged under National Stock Number 9150-01-263-8427, 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 Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 9150-01-263-8427 |
| Primary Part Number | 6381773-1 |
| Item Name | Hydraulic Fluid,petroleum Base |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Maximum Pour Point | -40.0 FAHRENHEIT DEGF |
| Basic Ingredient | MINERAL OIL |
| Minimum Flash Point and Test Method | 220.0 FAHRENHEIT CLEVELAND OPEN CUP DEGF |
| Quantity Within Each Unit Package | 5.000 GALLONS |
| Viscosity at Rated Temp | 1000.0 MAXIMUM NEG 31 DEG FAHRENHEIT AND 500.0 MAXIMUM NEG 4 DEG FAHRENHEIT AND 25.0 MINIMUM 104 DEG FAHRENHEIT AND 8.0 MINIMUM 212 DEG FAHRENHEIT |
| Service Characteristics | CORROSION RESISTIVE AND ANTIWEAR AND OXIDATION RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6381773-1 PRIMARY | Naval Sea Systems Command (USA) |
| 6381773 PRIMARY | Aoclsc, Inc. Div Technolube (USA) |
| 6381773 | Naval Sea Systems Command (USA) |
| 6381773 PRIMARY | Lanxess Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6381773 | 5/9 Secondary reference Castrol Industrial North America Inc. Div Attn: Customer Care (asp) |
NSN 9150-01-263-8427 is a Hydraulic Fluid,petroleum Base, manufactured by Naval Sea Systems Command, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-263-8427 has 4 manufacturer part numbers on file: 6381773-1 (Naval Sea Systems Command), 6381773 (Aoclsc, Inc. Div Technolube), 6381773 (Naval Sea Systems Command), 6381773 (Lanxess Corporation).
Key specifications for 6381773-1: Maximum Pour Point: -40.0 FAHRENHEIT DEGF; Basic Ingredient: MINERAL OIL; Minimum Flash Point and Test Method: 220.0 FAHRENHEIT CLEVELAND OPEN CUP DEGF; Quantity Within Each Unit Package: 5.000 GALLONS. 6 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.