The Transducer Fluid,sonar, cataloged under National Stock Number 9150-01-099-0244, 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 Dow Silicones Corporation. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 9150-01-099-0244 |
| Primary Part Number | DC 550 FLUID, 5GAL |
| Item Name | Transducer Fluid,sonar |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Dow Silicones Corporation |
| Status | ACTIVE |
| Unpackaged Unit Weight | 5.0 POUNDS GROUP 4 LBS |
| Specific Gravity Value | 1.060 MINIMUM AND 1.080 MAXIMUM |
| Substance/water Temp at Specific Gravity Ratio | 77.0 DEG FAHRENHEIT |
| Minimum Viscosity at Rated Temp | NOT RATED |
| Basic Ingredient | SILICONE FLUID |
| Freezing Temp in Deg Fahrenheit | -60.0 |
| Maximum Viscosity at Rated Temp | NOT RATED |
| Viscosity at Rated Temp | 100 TO 150 CENTISTOKES AT 77 DEG F NOM VISCOSITY DEGF |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY UNIT PACKAGE QUANTITY AND UNIT PACKAGE TYPE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DC 550 FLUID, 5GAL | Dow Silicones Corporation (USA) |
| Reference | Meaning |
|---|---|
| DC550 | 3/1 Design control — primary reference Dow Silicones Corporation |
NSN 9150-01-099-0244 is a Transducer Fluid,sonar, manufactured by Dow Silicones Corporation, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-099-0244 has 1 manufacturer part number on file: DC 550 FLUID, 5GAL (Dow Silicones Corporation).
Key specifications for DC 550 FLUID, 5GAL: Unpackaged Unit Weight: 5.0 POUNDS GROUP 4 LBS; Specific Gravity Value: 1.060 MINIMUM AND 1.080 MAXIMUM; Substance/water Temp at Specific Gravity Ratio: 77.0 DEG FAHRENHEIT; Minimum Viscosity at Rated Temp: NOT RATED. 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.