PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-G-3278Grease,aircraft and Instrument

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 9150-00-261-8297 · FSC 9150 · No Item Name Available
Verified by PartsTable
NSN 9150-00-261-8297 — this item is cataloged by the U.S. Government under National Stock Number 9150-00-261-8297. Primary manufacturer part number: MIL-G-3278.
Features
  • Grease,aircraft and Instrument — FSC 9150
  • Basic Ingredient: ANY ACCEPTABLE
  • Service Characteristics: CORROSION RESISTIVE AND LOW EVAPORATION AND OXIDATION RESISTANT AND WATER RESISTANT
  • Quantity Within Each Unit Package: 8.000 OUNCES, AVOIRDUPOIS OZ
  • 2 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
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 9150-00-261-8297, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9150-00-261-8297
Primary Part NumberMIL-G-3278
Item NameGrease,aircraft and Instrument
FSC / FSG9150 / 91 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Basic IngredientANY ACCEPTABLE
Service CharacteristicsCORROSION RESISTIVE AND LOW EVAPORATION AND OXIDATION RESISTANT AND WATER RESISTANT
Quantity Within Each Unit Package8.000 OUNCES, AVOIRDUPOIS OZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9150-00-190-0898 INTERCHANGEABLE
Grease,aircraft and Instrument
9150-00-261-8298M325 INTERCHANGEABLE
Grease,aircraft and Instrument
Exxon Mobil Corporation Dba Exxonmobil Fuels Marketing Company Div Exxonmobil Fuels Marketing Company
Cross-Reference Index
Part NumberManufacturer
MIL-G-3278 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
GS3717 Gulf Oil Corp (USA)
Related Parts
9150-00-190-0898INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
9150-00-261-8298INTERCHANGEABLE
GREASE,AIRCRAFT AND INSTRUMENT
M325

Frequently Asked Questions

What is NSN 9150-00-261-8297?

NSN 9150-00-261-8297 is a Grease,aircraft and Instrument, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 9150 (No Item Name Available). Status: active.

What are the part numbers for NSN 9150-00-261-8297?

NSN 9150-00-261-8297 has 2 cross-referenced part numbers: MIL-G-3278 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), GS3717 (Gulf Oil Corp).

What NSN replaces 9150-00-261-8297?

There are 2 known substitutes for 9150-00-261-8297: 9150-00-190-0898, 9150-00-261-8298. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-G-3278?

Key specifications for MIL-G-3278: Basic Ingredient: ANY ACCEPTABLE; Service Characteristics: CORROSION RESISTIVE AND LOW EVAPORATION AND OXIDATION RESISTANT AND WATER RESISTANT; Quantity Within Each Unit Package: 8.000 OUNCES, AVOIRDUPOIS OZ. 3 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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