PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DC 33 MEDIUMGrease,aircraft and Instrument

Dow Silicones Corporation · NSN 9150-00-584-4299 · FSC 9150 · No Item Name Available
Verified by PartsTable
NSN 9150-00-584-4299 — this item is cataloged by the U.S. Government under National Stock Number 9150-00-584-4299. Primary manufacturer part number: DC 33 MEDIUM.
Features
  • Grease,aircraft and Instrument — FSC 9150
  • Service Characteristics: LOW EVAPORATION AND OXIDATION RESISTANT
  • Nondefinitive Spec/std Data: II TYPE
  • Minimum Dropping Point: 374.0 FAHRENHEIT DEGF
  • Quantity Within Each Unit Package: 8.000 OUNCES, AVOIRDUPOIS OZ
  • Basic Ingredient: POLYMETHYLTHENYL SILICONE FLUID-LITHIUM SOAP
  • 4 verified cross-references
  • Primary manufacturer: Dow Silicones Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Grease,aircraft and Instrument, cataloged under National Stock Number 9150-00-584-4299, is classified within Federal Supply Class 9150 (No Item Name Available) of the Fuels, Lubricants, Oils, and Waxes group. The primary manufacturer of record is Dow Silicones Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9150-00-584-4299
Primary Part NumberDC 33 MEDIUM
Item NameGrease,aircraft and Instrument
FSC / FSG9150 / 91 — No Item Name Available
ManufacturerDow Silicones Corporation
StatusACTIVE
Service CharacteristicsLOW EVAPORATION AND OXIDATION RESISTANT
Nondefinitive Spec/std DataII TYPE
Minimum Dropping Point374.0 FAHRENHEIT DEGF
Quantity Within Each Unit Package8.000 OUNCES, AVOIRDUPOIS OZ
Basic IngredientPOLYMETHYLTHENYL SILICONE FLUID-LITHIUM SOAP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9150-00-145-0161 INTERCHANGEABLE
Grease,aircraft and Instrument
9150-00-445-7819DC 33 LIGHT 8 LB CO INTERCHANGEABLE
Grease,aircraft and Instrument
Dow Silicones Corporation
9150-01-228-3389MOLYKOTE 33 MEDIUM 3.5OZ INTERCHANGEABLE
Grease,aircraft and Instrument
Du Pont E I De Nemours and Co Inc Security Director/legal Dept
Cross-Reference Index
Part NumberManufacturer
DC 33 MEDIUM Dow Silicones Corporation (USA)
417095-3 Raytheon Company Dba Raytheon (USA)
A-A-59173 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-G-46886 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
9150-00-145-0161INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
9150-00-445-7819INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
DC 33 LIGHT 8 LB CO
9150-01-228-3389INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
MOLYKOTE 33 MEDIUM 3.5OZ

Frequently Asked Questions

What is NSN 9150-00-584-4299?

NSN 9150-00-584-4299 is a Grease,aircraft and Instrument, manufactured by Dow Silicones Corporation, classified under FSC 9150 (No Item Name Available). Status: active.

What are the part numbers for NSN 9150-00-584-4299?

NSN 9150-00-584-4299 has 4 cross-referenced part numbers: DC 33 MEDIUM (Dow Silicones Corporation), 417095-3 (Raytheon Company Dba Raytheon), A-A-59173 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-G-46886 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 9150-00-584-4299?

There are 3 known substitutes for 9150-00-584-4299: 9150-00-145-0161, 9150-00-445-7819, 9150-01-228-3389. Verify interchangeability with system specifications before substitution.

What are the specifications of DC 33 MEDIUM?

Key specifications for DC 33 MEDIUM: Service Characteristics: LOW EVAPORATION AND OXIDATION RESISTANT; Nondefinitive Spec/std Data: II TYPE; Minimum Dropping Point: 374.0 FAHRENHEIT DEGF; Quantity Within Each Unit Package: 8.000 OUNCES, AVOIRDUPOIS OZ. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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