PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NARVAR GRADEA 5/8IN BLACK B-A-1Insulation Sleeving,electrical

High Voltage Engineering Corp Natvar Co Div · NSN 5970-00-060-8599 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-060-8599 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-060-8599. Primary manufacturer part number: NARVAR GRADEA 5/8IN BLACK B-A-1.
Features
  • Insulation Sleeving,electrical — FSC 5970
  • Temp Rating: 130.0 CELSIUS DEGC
  • Reliability Indicator: NOT ESTABLISHED
  • Inside Diameter: 0.625 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
  • Dielectric Withstanding Voltage in Volts: 7000.0
  • Style Designator: NONSHRINKABLE
  • Flexibility: FLEXIBLE
  • Color: BLACK
Applications
  • Applications requiring Glass Fiber construction
General Description

The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-00-060-8599, 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 High Voltage Engineering Corp Natvar Co Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-060-8599
Primary Part NumberNARVAR GRADEA 5/8IN BLACK B-A-1
Item NameInsulation Sleeving,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerHigh Voltage Engineering Corp Natvar Co Div
StatusCANCELLED
Temp Rating130.0 CELSIUS DEGC
Reliability IndicatorNOT ESTABLISHED
Inside Diameter0.625 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
Dielectric Withstanding Voltage in Volts7000.0
Style DesignatorNONSHRINKABLE
FlexibilityFLEXIBLE
ColorBLACK
Impregnation MaterialVINYL
MaterialGLASS FIBER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5985-00-156-0746649 INTERCHANGEABLE
Dummy Load,electrical
Omega Laboratories Inc
5970-00-250-30231011322-1 INTERCHANGEABLE
Insulation Sleeving,electrical
Us Army Aviation and Missile Command
3110-00-289-6573DV6275 INTERCHANGEABLE
Bearing,ball,annular
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5970-00-295-8915 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-295-8916 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-295-8919 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-295-8920 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-295-8921 INTERCHANGEABLE
Insulation Sleeving,electrical
5360-00-415-7158TM649 INTERCHANGEABLE
Spring,helical,compression
Banner Industries Inc Skinner Engine Co Div
2910-00-563-8048565253 INTERCHANGEABLE
Bowl,sediment
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
Cross-Reference Index
Part NumberManufacturer
NARVAR GRADEA 5/8IN BLACK B-A-1 PRIMARY High Voltage Engineering Corp Natvar Co Div (USA)
HYGRADE VF 5/8IN BLACK B-A-1 PRIMARY Markel Corp. (USA)
8034660-1478 Us Army Aviation and Missile Command (USA)
649 Systems Protection Group Us Llc (USA)
VARFLO 5/8IN BLACK B-A-1 PRIMARY Varflex Corporation Dba Varflex Corp (USA)
M3190/02-26-0 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5985-00-156-0746INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
649
5970-00-250-3023INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
1011322-1
3110-00-289-6573INTERCHANGEABLE
BEARING,BALL,ANNULAR
DV6275
5970-00-295-8915INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-295-8916INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-295-8919INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-295-8920INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-295-8921INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5360-00-415-7158INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
TM649
2910-00-563-8048INTERCHANGEABLE
BOWL,SEDIMENT
565253
5970-00-581-3894INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
1680-00-680-8935INTERCHANGEABLE
SEAT,AIRCRAFT
649

Frequently Asked Questions

What is NSN 5970-00-060-8599?

NSN 5970-00-060-8599 is a Insulation Sleeving,electrical, manufactured by High Voltage Engineering Corp Natvar Co Div, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-060-8599?

NSN 5970-00-060-8599 has 6 cross-referenced part numbers: NARVAR GRADEA 5/8IN BLACK B-A-1 (High Voltage Engineering Corp Natvar Co Div), HYGRADE VF 5/8IN BLACK B-A-1 (Markel Corp.), 8034660-1478 (Us Army Aviation and Missile Command), 649 (Systems Protection Group Us Llc), VARFLO 5/8IN BLACK B-A-1 (Varflex Corporation Dba Varflex Corp) and 1 more.

What NSN replaces 5970-00-060-8599?

There are 12 known substitutes for 5970-00-060-8599: 5985-00-156-0746, 5970-00-250-3023, 3110-00-289-6573 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NARVAR GRADEA 5/8IN BLACK B-A-1?

Key specifications for NARVAR GRADEA 5/8IN BLACK B-A-1: Overall Length: 2.500 FEET MINIMUM AND 3.500 FEET MAXIMUM FT; Temp Rating: 130.0 CELSIUS DEGC; Reliability Indicator: NOT ESTABLISHED; Inside Diameter: 0.625 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-060-8599 still in active supply?

NSN 5970-00-060-8599 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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