PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM-D3955Insulating Varnish,electrical

American Society for Testing and Materials Dba Astm International · NSN 5970-00-285-0271 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-285-0271 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-285-0271. Primary manufacturer part number: ASTM-D3955.
Features
  • Insulating Varnish,electrical — FSC 5970
  • Departure From Cited Document: AMEND. 2
  • Nondefinitive Spec/std Data: IZZZW COMPOSITION
  • Unit Package Quantity: 1
  • Drying Method: AIR
  • Environmental Protection: FUNGUS RESISTANT AND MOISTURE RESISTANT
  • Dry Dielectric Material Voltage Rating in Volts Per Mil Thickness: 750.0
  • Unit Package Type: CAN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulating Varnish,electrical, cataloged under National Stock Number 5970-00-285-0271, 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 American Society for Testing and Materials Dba Astm International. Government technical data includes 7 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-285-0271
Primary Part NumberASTM-D3955
Item NameInsulating Varnish,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Departure From Cited DocumentAMEND. 2
Nondefinitive Spec/std DataIZZZW COMPOSITION
Unit Package Quantity1
Drying MethodAIR
Environmental ProtectionFUNGUS RESISTANT AND MOISTURE RESISTANT
Dry Dielectric Material Voltage Rating in Volts Per Mil Thickness750.0
Unit Package TypeCAN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6850-00-180-6343 INTERCHANGEABLE
Chemical Electronic
8010-00-180-6345 INTERCHANGEABLE
Varnish,oil
5970-00-285-0269GRADE DA INTERCHANGEABLE
Insulating Varnish,electrical
American Society for Testing and Materials Dba Astm International
8010-00-296-1198515320 INTERCHANGEABLE
Varnish,oil
Belfort Instrument Company
5970-00-647-36769060228 INTERCHANGEABLE
Insulating Varnish,electrical
Us Army Aviation and Missile Command
5970-00-832-6950PT107-16OZ747S INTERCHANGEABLE
Insulating Varnish,electrical
Products/techniques, Inc. Dba P T I
8010-00-955-0122 INTERCHANGEABLE
Varnish,oil
8010-01-115-8019 INTERCHANGEABLE
Varnish,oil
Cross-Reference Index
Part NumberManufacturer
ASTM-D3955 American Society for Testing and Materials Dba Astm International (USA)
MIL-V-173 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6850-00-180-6343INTERCHANGEABLE
CHEMICAL ELECTRONIC
8010-00-180-6345INTERCHANGEABLE
VARNISH,OIL
5970-00-285-0269INTERCHANGEABLE
INSULATING VARNISH,ELECTRICAL
GRADE DA
8010-00-296-1198INTERCHANGEABLE
VARNISH,OIL
515320
5970-00-647-3676INTERCHANGEABLE
INSULATING VARNISH,ELECTRICAL
9060228
5970-00-832-6950INTERCHANGEABLE
INSULATING VARNISH,ELECTRICAL
PT107-16OZ747S
8010-00-955-0122INTERCHANGEABLE
VARNISH,OIL
8010-01-115-8019INTERCHANGEABLE
VARNISH,OIL

Frequently Asked Questions

What is NSN 5970-00-285-0271?

NSN 5970-00-285-0271 is a Insulating Varnish,electrical, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-285-0271?

NSN 5970-00-285-0271 has 2 cross-referenced part numbers: ASTM-D3955 (American Society for Testing and Materials Dba Astm International), MIL-V-173 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5970-00-285-0271?

There are 8 known substitutes for 5970-00-285-0271: 6850-00-180-6343, 8010-00-180-6345, 5970-00-285-0269 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM-D3955?

Key specifications for ASTM-D3955: Departure From Cited Document: AMEND. 2; Nondefinitive Spec/std Data: IZZZW COMPOSITION; Special Features: 1 GAL; Unit Package Quantity: 1. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-285-0271 still in active supply?

NSN 5970-00-285-0271 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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