PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1B31Insulating Varnish,electrical

Chase Corporation Dba Fluid Polymers Div Humiseal Division · NSN 5970-00-990-4924 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-990-4924 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-990-4924. Primary manufacturer part number: 1B31.
Features
  • Insulating Varnish,electrical — FSC 5970
  • Dry Dielectric Material Voltage Rating in Volts Per Mil Thickness: 8000.0
  • Environmental Protection: CORROSION RESISTANT AND HUMIDITY RESISTANT
  • Unit Package Type: CAN, AEROSOL
  • Unit Package Quantity: 1
  • Color: CLEAR
  • Drying Method: AIR
  • 5 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulating Varnish,electrical, cataloged under National Stock Number 5970-00-990-4924, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Chase Corporation Dba Fluid Polymers Div Humiseal Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-990-4924
Primary Part Number1B31
Item NameInsulating Varnish,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerChase Corporation Dba Fluid Polymers Div Humiseal Division
StatusCANCELLED
Dry Dielectric Material Voltage Rating in Volts Per Mil Thickness8000.0
Environmental ProtectionCORROSION RESISTANT AND HUMIDITY RESISTANT
Unit Package TypeCAN, AEROSOL
Unit Package Quantity1
ColorCLEAR
Drying MethodAIR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3030-00-011-87481B15 INTERCHANGEABLE
Belt,v
Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division
5970-00-442-0272 INTERCHANGEABLE
Insulating Varnish,electrical
5365-00-845-7667B6-01 INTERCHANGEABLE
Shim
Roller Bearing Co of America, Inc Div Pic Design
5970-01-029-7961 INTERCHANGEABLE
Insulating Compound,electrical
Cross-Reference Index
Part NumberManufacturer
1B15 Chase Corporation Dba Fluid Polymers Div Humiseal Division (USA)
1B31 PRIMARY Chase Corporation Dba Fluid Polymers Div Humiseal Division (USA)
1B15H Chase Corporation Dba Fluid Polymers Div Humiseal Division (USA)
C101060088 Chase Corporation Dba Fluid Polymers Div Humiseal Division (USA)
1B31 SPRAY Chase Corporation Dba Fluid Polymers Div Humiseal Division (USA)
Related Parts
3030-00-011-8748INTERCHANGEABLE
BELT,V
1B15
5970-00-442-0272INTERCHANGEABLE
INSULATING VARNISH,ELECTRICAL
5365-00-845-7667INTERCHANGEABLE
SHIM
B6-01
5970-01-029-7961INTERCHANGEABLE
INSULATING COMPOUND,ELECTRICAL

Frequently Asked Questions

What is NSN 5970-00-990-4924?

NSN 5970-00-990-4924 is a Insulating Varnish,electrical, manufactured by Chase Corporation Dba Fluid Polymers Div Humiseal Division, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-990-4924?

NSN 5970-00-990-4924 has 5 cross-referenced part numbers: 1B15 (Chase Corporation Dba Fluid Polymers Div Humiseal Division), 1B31 (Chase Corporation Dba Fluid Polymers Div Humiseal Division), 1B15H (Chase Corporation Dba Fluid Polymers Div Humiseal Division), C101060088 (Chase Corporation Dba Fluid Polymers Div Humiseal Division), 1B31 SPRAY (Chase Corporation Dba Fluid Polymers Div Humiseal Division).

What NSN replaces 5970-00-990-4924?

There are 4 known substitutes for 5970-00-990-4924: 3030-00-011-8748, 5970-00-442-0272, 5365-00-845-7667 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1B31?

Key specifications for 1B31: Dry Dielectric Material Voltage Rating in Volts Per Mil Thickness: 8000.0; Part Name Assigned by Controlling Agency: HUMISEAL 1B31 AEROSOL; Environmental Protection: CORROSION RESISTANT AND HUMIDITY RESISTANT; Unit Package Type: CAN, AEROSOL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-990-4924 still in active supply?

NSN 5970-00-990-4924 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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