PartsTable TECHNICAL DATA SHEET
NSN 9160-00-935-9774Government record, cited

Insulating Oil, Electrical9160-00-935-9774

NSN 9160-00-935-9774 · NIIN 009359774 · Part number COOLANOL 25R
Exxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants · FSC 9160 — Miscellaneous Waxes, Oils, and Fats · FSG 91 — Fuels, Lubricants, Oils, and Waxes · CAGE 0TS34
Government record, cited
NSN 9160-00-935-9774 — this item is cataloged by the U.S. Government under National Stock Number 9160-00-935-9774. Manufacturer of record part number: COOLANOL 25R.
Also searched as  9160-00-935-9774 · 9160009359774 · NIIN 009359774 · 00-935-9774 · FSC 9160 Miscellaneous Waxes, Oils, and Fats · CAGE 0TS34 · COOLANOL 25R · MIL-PRF-87252 · MIL-C-47220
Nearby stock numbers  ·
Features
  • Insulating Oil,electrical — FSC 9160
  • Dielectric Withstanding Voltage in Volts: 35000.0
  • Minimum Viscosity at Rated Temp: 1.50 CENTISTOKES AT 212 DEG FAHRENHEIT
  • Maximum Color Number: NOT RATED
  • Basic Ingredient: SILICATE-ESTER BASE
  • Nondefinitive Spec/std Data: IV TYPE
  • Maximum Viscosity at Rated Temp: 4.40 CENTISTOKES AT 104 DEG FAHRENHEIT
  • Flash Point Minimum Temp Rating: 325.0 DEG FAHRENHEIT
Identification
  • NSN: 9160-00-935-9774
  • NIIN: 009359774
  • FSC: 9160 — Miscellaneous Waxes, Oils, and Fats
  • FSG: 91 — Fuels, Lubricants, Oils, and Waxes
  • Primary part number: COOLANOL 25R
  • Manufacturer: Exxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants
General Description

The Insulating Oil,electrical, cataloged under National Stock Number 9160-00-935-9774, is classified within Federal Supply Class 9160 (Miscellaneous Waxes, Oils, and Fats) of the Fuels, Lubricants, Oils, and Waxes group. The manufacturer of record is Exxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9160-00-935-9774
Primary Part NumberCOOLANOL 25R
Item NameInsulating Oil,electrical
FSC / FSG9160 / 91 — Miscellaneous Waxes, Oils, and Fats
ManufacturerExxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants
StatusACTIVE
Dielectric Withstanding Voltage in Volts35000.0
Minimum Viscosity at Rated Temp1.50 CENTISTOKES AT 212 DEG FAHRENHEIT
Maximum Color NumberNOT RATED
Basic IngredientSILICATE-ESTER BASE
Nondefinitive Spec/std DataIV TYPE
Maximum Viscosity at Rated Temp4.40 CENTISTOKES AT 104 DEG FAHRENHEIT
Flash Point Minimum Temp Rating325.0 DEG FAHRENHEIT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardHazardous per DLA record (HMIC Y)
Criticality CodeX
⇄ Related Items 10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
9160-00-943-4691OS59 COOLANOL POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
Possible match (shared part number)Exxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants
9160-00-965-2376 POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
Possible match (shared part number)
9160-01-015-1539 POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
Possible match (shared part number)
9160-01-244-6808 POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
Possible match (shared part number)
9150-01-304-0885 POSSIBLE MATCH
FLUID,COOLANT
Possible match (shared part number)
9150-01-306-2470 POSSIBLE MATCH
FLUID,COOLANT
Possible match (shared part number)
9150-01-306-2475 POSSIBLE MATCH
FLUID,COOLANT
Possible match (shared part number)
9160-01-309-6201 POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
Possible match (shared part number)
9150-01-336-7174 POSSIBLE MATCH
FLUID,COOLANT
Possible match (shared part number)
9160-01-359-6610COOLANOL 25R PAIL POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
Possible match (shared part number)Exxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants
Cross-Reference Index
Part NumberManufacturer
COOLANOL 25R Chevron International Oil Co Inc (USA)
COOLANOL 25R Exxon Mobil Corporation (USA)
COOLANOL 25R Applied Thermal Fluids Llc (USA)
COOLANOL 25R PRIMARY Exxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants (USA)
COOLANOL 25R Monsanto Co (USA)
Reference documents
ReferenceMeaning
COOLANOL 25R 5/9 Secondary reference
U.S. Government activity
MIL-PRF-87252 4/1 Identification reference
U.S. Government activity
MIL-C-47220 5/9 Secondary reference
U.S. Government activity
FLO-COOL 180 5/9 Secondary reference
U.S. Government activity
Related Parts
9160-00-943-4691POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
OS59 COOLANOL
9160-00-965-2376POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
9160-01-015-1539POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
9160-01-244-6808POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
9150-01-304-0885POSSIBLE MATCH
FLUID,COOLANT
9150-01-306-2470POSSIBLE MATCH
FLUID,COOLANT
9150-01-306-2475POSSIBLE MATCH
FLUID,COOLANT
9160-01-309-6201POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
9150-01-336-7174POSSIBLE MATCH
FLUID,COOLANT
9160-01-359-6610POSSIBLE MATCH
INSULATING OIL,ELECTRICAL
COOLANOL 25R PAIL

Frequently Asked Questions

What is NSN 9160-00-935-9774?

NSN 9160-00-935-9774 is a Insulating Oil,electrical, manufactured by Exxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants, classified under FSC 9160, Miscellaneous Waxes, Oils, and Fats. Status: active.

What part numbers are listed for NSN 9160-00-935-9774?

NSN 9160-00-935-9774 has 5 manufacturer part numbers on file: COOLANOL 25R (Chevron International Oil Co Inc), COOLANOL 25R (Exxon Mobil Corporation), COOLANOL 25R (Applied Thermal Fluids Llc), COOLANOL 25R (Exxon Mobil Corp Div Exxonmobil Product Solutions Company, Aviation Lubricants), COOLANOL 25R (Monsanto Co).

What NSN replaces 9160-00-935-9774?

10 possible matches (shared part number, not a government interchangeability claim): 9160-00-943-4691, 9160-00-965-2376, 9160-01-015-1539. Verify interchangeability with system specifications before substitution.

What are the specifications of COOLANOL 25R?

Key specifications for COOLANOL 25R: Dielectric Withstanding Voltage in Volts: 35000.0; Minimum Viscosity at Rated Temp: 1.50 CENTISTOKES AT 212 DEG FAHRENHEIT; Maximum Color Number: NOT RATED; Basic Ingredient: SILICATE-ESTER BASE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 9160-00-935-9774 hazardous material?

Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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