PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-6085Lubricating Oil,instrument

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 9150-01-311-5640 · FSC 9150 · No Item Name Available
Verified by PartsTable
NSN 9150-01-311-5640 — this item is cataloged by the U.S. Government under National Stock Number 9150-01-311-5640. Primary manufacturer part number: MIL-PRF-6085.
Features
  • Lubricating Oil,instrument — FSC 9150
  • Minimum Flash Point and Test Method: 185.0 CELSIUS CLEVELAND OPEN CUP DEGC
  • Maximum Pour Point: -57.0 CELSIUS DEGC
  • Quantity Within Each Unit Package: 1.000 GALLONS
  • Service Characteristics: CORROSION RESISTIVE AND LOW TEMPERATURE AND LOW VOLATILITY AND OXIDATION RESISTANT
  • Fatty Material Type: ANY ACCEPTABLE
  • 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 Lubricating Oil,instrument, cataloged under National Stock Number 9150-01-311-5640, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9150-01-311-5640
Primary Part NumberMIL-PRF-6085
Item NameLubricating Oil,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
Minimum Flash Point and Test Method185.0 CELSIUS CLEVELAND OPEN CUP DEGC
Maximum Pour Point-57.0 CELSIUS DEGC
Quantity Within Each Unit Package1.000 GALLONS
Service CharacteristicsCORROSION RESISTIVE AND LOW TEMPERATURE AND LOW VOLATILITY AND OXIDATION RESISTANT
Fatty Material TypeANY ACCEPTABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-157-194077343920 INTERCHANGEABLE
Bearing,ball,annular
Goodrich Limited Div Goodrich Ltd
9150-00-223-4129 INTERCHANGEABLE
Lubricating Oil,instrument
9150-00-231-6686 INTERCHANGEABLE
Lubricating Oil,instrument
9150-00-257-5449 INTERCHANGEABLE
Lubricating Oil,instrument
9150-00-664-6518 INTERCHANGEABLE
Lubricating Oil,instrument
9150-01-018-8959 INTERCHANGEABLE
Lubricating Oil,instrument
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-6085 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-L-6085 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-157-1940INTERCHANGEABLE
BEARING,BALL,ANNULAR
77343920
9150-00-223-4129INTERCHANGEABLE
LUBRICATING OIL,INSTRUMENT
9150-00-231-6686INTERCHANGEABLE
LUBRICATING OIL,INSTRUMENT
9150-00-257-5449INTERCHANGEABLE
LUBRICATING OIL,INSTRUMENT
9150-00-664-6518INTERCHANGEABLE
LUBRICATING OIL,INSTRUMENT
9150-01-018-8959INTERCHANGEABLE
LUBRICATING OIL,INSTRUMENT

Frequently Asked Questions

What is NSN 9150-01-311-5640?

NSN 9150-01-311-5640 is a Lubricating Oil,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 9150-01-311-5640?

NSN 9150-01-311-5640 has 2 cross-referenced part numbers: MIL-PRF-6085 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-L-6085 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 9150-01-311-5640?

There are 6 known substitutes for 9150-01-311-5640: 3110-00-157-1940, 9150-00-223-4129, 9150-00-231-6686 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-6085?

Key specifications for MIL-PRF-6085: Minimum Flash Point and Test Method: 185.0 CELSIUS CLEVELAND OPEN CUP DEGC; Maximum Pour Point: -57.0 CELSIUS DEGC; Special Features: VISCOSITY AT RATED TEMP IS 8.00 MINIMUM 54 DEG C AND 12000.00 MAXIMUM -54 DEG C; BASIC INDGREDIENT ADDITVES AND SYNTHETIC BASE; DEGC; Quantity Within Each Unit Package: 1.000 GALLONS. 6 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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