PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MOLYKOTE 33 MEDIUM 3.5OZGrease,aircraft and Instrument

Du Pont E I De Nemours and Co Inc Security Director/legal Dept · NSN 9150-01-228-3389 · FSC 9150 · No Item Name Available
Verified by PartsTable
NSN 9150-01-228-3389 — this item is cataloged by the U.S. Government under National Stock Number 9150-01-228-3389. Primary manufacturer part number: MOLYKOTE 33 MEDIUM 3.5OZ.
Features
  • Grease,aircraft and Instrument — FSC 9150
  • Service Characteristics: LOW EVAPORATION AND OXIDATION RESISTANT
  • Minimum Dropping Point: 374.0 FAHRENHEIT DEGF
  • Nondefinitive Spec/std Data: II TYPE
  • Basic Ingredient: POLYMETHYLTHENYL SILICONE FLUID-LITHIUM SOAP
  • Quantity Within Each Unit Package: 5.300 OUNCES, AVOIRDUPOIS OZ
  • 12 verified cross-references
  • Primary manufacturer: Du Pont E I De Nemours and Co Inc Security Director/legal Dept
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 9150-01-228-3389, 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 Du Pont E I De Nemours and Co Inc Security Director/legal Dept. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN9150-01-228-3389
Primary Part NumberMOLYKOTE 33 MEDIUM 3.5OZ
Item NameGrease,aircraft and Instrument
FSC / FSG9150 / 91 — No Item Name Available
ManufacturerDu Pont E I De Nemours and Co Inc Security Director/legal Dept
StatusCANCELLED
Service CharacteristicsLOW EVAPORATION AND OXIDATION RESISTANT
Minimum Dropping Point374.0 FAHRENHEIT DEGF
Nondefinitive Spec/std DataII TYPE
Basic IngredientPOLYMETHYLTHENYL SILICONE FLUID-LITHIUM SOAP
Quantity Within Each Unit Package5.300 OUNCES, AVOIRDUPOIS OZ
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
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
6680-00-526-9354G321-4 INTERCHANGEABLE
No Item Name Available
Ldi Industries, Inc. Dba Ldi Industries Inc
9150-00-584-4299 INTERCHANGEABLE
Grease,aircraft and Instrument
4310-00-608-1146G321 INTERCHANGEABLE
Compressor Unit,reciprocating
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
6540-01-206-5933G-321 INTERCHANGEABLE
Light,slit,ophthalmic
Defense Medical Standardization Board
9150-01-418-8250MOLYKOTE 33 MEDIUM INTERCHANGEABLE
Grease,aircraft and Instrument
Dow Silicones Corporation
5340-01-517-9824G321 INTERCHANGEABLE
Bracket,mounting
W S Darley & Co Div Darley Pump Division
9150-01-543-6963 INTERCHANGEABLE
Grease,aircraft and Instrument
Cross-Reference Index
Part NumberManufacturer
115811022 Us Army Benet Laboratories Rdar-Wsb-O (USA)
9150PL1575335 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4016024 Du Pont E I De Nemours and Co Inc Security Director/legal Dept (USA)
DOW CORNING 33 M Dow Corning Corp (USA)
MOLYKOTE 33 MEDIUM 5.3OZ Dow Silicones Corporation (USA)
13049841 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
MIL-G-46886 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MOLYKOTE 33 MEDIUM 3.5OZ PRIMARY Du Pont E I De Nemours and Co Inc Security Director/legal Dept (USA)
A-A-59173 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MOLYKOTE 33 MEDIUM Dow Silicones Corporation (USA)
G321 Momentive Performance Materials Inc. (USA)
V00003709 I.f.i. S.r.l. (ITA)
Related Parts
9150-00-145-0161INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
9150-00-445-7819INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
DC 33 LIGHT 8 LB CO
6680-00-526-9354INTERCHANGEABLE
NO ITEM NAME AVAILABLE
G321-4
9150-00-584-4299INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
4310-00-608-1146INTERCHANGEABLE
COMPRESSOR UNIT,RECIPROCATING
G321
6540-01-206-5933INTERCHANGEABLE
LIGHT,SLIT,OPHTHALMIC
G-321
9150-01-418-8250INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
MOLYKOTE 33 MEDIUM
5340-01-517-9824INTERCHANGEABLE
BRACKET,MOUNTING
G321
9150-01-543-6963INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT

Frequently Asked Questions

What is NSN 9150-01-228-3389?

NSN 9150-01-228-3389 is a Grease,aircraft and Instrument, manufactured by Du Pont E I De Nemours and Co Inc Security Director/legal Dept, classified under FSC 9150 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 9150-01-228-3389?

NSN 9150-01-228-3389 has 12 cross-referenced part numbers: 115811022 (Us Army Benet Laboratories Rdar-Wsb-O), 9150PL1575335 (Jednolity Indeks Materialowy - Uniform Material Index), 4016024 (Du Pont E I De Nemours and Co Inc Security Director/legal Dept), DOW CORNING 33 M (Dow Corning Corp), MOLYKOTE 33 MEDIUM 5.3OZ (Dow Silicones Corporation) and 7 more.

What NSN replaces 9150-01-228-3389?

There are 9 known substitutes for 9150-01-228-3389: 9150-00-145-0161, 9150-00-445-7819, 6680-00-526-9354 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MOLYKOTE 33 MEDIUM 3.5OZ?

Key specifications for MOLYKOTE 33 MEDIUM 3.5OZ: Service Characteristics: LOW EVAPORATION AND OXIDATION RESISTANT; Minimum Dropping Point: 374.0 FAHRENHEIT DEGF; Nondefinitive Spec/std Data: II TYPE; Basic Ingredient: POLYMETHYLTHENYL SILICONE FLUID-LITHIUM SOAP. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9150-01-228-3389 still in active supply?

NSN 9150-01-228-3389 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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