PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTRA 701Insulation Sleeving,electrical

Essex Group Inc Suflex/iwp Div · NSN 5970-00-221-5302 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-221-5302 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-221-5302. Primary manufacturer part number: ASTRA 701.
Features
  • Insulation Sleeving,electrical — FSC 5970
  • Minimum Tensile Strength: 1800 POUNDS PER SQUARE INCH LBS
  • Environmental Protection: FLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT
  • Color: CLEAR
  • Temp Rating: -30.0 CELSIUS AND 75.0 CELSIUS DEGC
  • Flexibility: FLEXIBLE
  • Departure From Cited Document: AS MOD BY COLOR
  • Style Designator: NONSHRINKABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-00-221-5302, 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 Essex Group Inc Suflex/iwp Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-221-5302
Primary Part NumberASTRA 701
Item NameInsulation Sleeving,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerEssex Group Inc Suflex/iwp Div
StatusACTIVE
Minimum Tensile Strength1800 POUNDS PER SQUARE INCH LBS
Environmental ProtectionFLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT
ColorCLEAR
Temp Rating-30.0 CELSIUS AND 75.0 CELSIUS DEGC
FlexibilityFLEXIBLE
Departure From Cited DocumentAS MOD BY COLOR
Style DesignatorNONSHRINKABLE
Dielectric Material Voltage Rating Per Unit Thickness480.0 VOLTS PER MIL /0.001 INCH/ IN
Nondefinitive Spec/std Data1 CATEGORY AND I CLASS AND U FORM AND A GRADE AND 0.630 IN. SIZE AND UB SUBFORM AND F TYPE IN
Inside Diameter0.625 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
Wall Thickness0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-068-12928034664-5 INTERCHANGEABLE
Insulation Sleeving,electrical
Us Army Aviation and Missile Command
5970-00-068-12948034664-4 INTERCHANGEABLE
Insulation Sleeving,electrical
Us Army Aviation and Missile Command
5970-00-221-5297 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5298 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5299FLEXITE STANDARD UB INTERCHANGEABLE
Insulation Sleeving,electrical
Markel Corp.
5970-00-221-5301 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5303 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5304 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5305 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5308 INTERCHANGEABLE
Insulation Sleeving,electrical
Cross-Reference Index
Part NumberManufacturer
ASTRA 701 Essex Group Inc Suflex/iwp Div (USA)
TRANSFLEX Minnesota Mining and Mfg Co 3m Company (USA)
ITCO 919 Insultab Inc Div Pexco Athol (USA)
FLEXITE STANDARD UB Markel Corp. (USA)
NATVAR261 High Voltage Engineering Corp Natvar Co Div (USA)
3002 3m Co Admininistrative Electronic & Communications (USA)
MIL-I-631 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TRANSFLEX 3m Co Admininistrative Electronic & Communications (USA)
TURBOLEX 76B Prysmian Cables and Systems Usa, Llc Div Manufacturing Plant (USA)
TRANSFLEX 3m Company (USA)
3002 3m Company (USA)
GLITEX 120 Nalge Co Div of Sybron Corp (USA)
3002 Minnesota Mining and Mfg Co 3m Company (USA)
RESINITE EP69C Borden Chemical Co Resinite Dept (USA)
SURCO B-5 Rscc Wire & Cable Llc (USA)
Related Parts
5970-00-068-1292INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
8034664-5
5970-00-068-1294INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
8034664-4
5970-00-221-5297INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5298INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5299INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
FLEXITE STANDARD UB
5970-00-221-5301INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5303INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5304INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5305INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5308INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5309INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-222-4778INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL

Frequently Asked Questions

What is NSN 5970-00-221-5302?

NSN 5970-00-221-5302 is a Insulation Sleeving,electrical, manufactured by Essex Group Inc Suflex/iwp Div, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-221-5302?

NSN 5970-00-221-5302 has 15 cross-referenced part numbers: ASTRA 701 (Essex Group Inc Suflex/iwp Div), TRANSFLEX (Minnesota Mining and Mfg Co 3m Company), ITCO 919 (Insultab Inc Div Pexco Athol), FLEXITE STANDARD UB (Markel Corp.), NATVAR261 (High Voltage Engineering Corp Natvar Co Div) and 10 more.

What NSN replaces 5970-00-221-5302?

There are 12 known substitutes for 5970-00-221-5302: 5970-00-068-1292, 5970-00-068-1294, 5970-00-221-5297 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTRA 701?

Key specifications for ASTRA 701: Minimum Tensile Strength: 1800 POUNDS PER SQUARE INCH LBS; Environmental Protection: FLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT; Color: CLEAR; Temp Rating: -30.0 CELSIUS AND 75.0 CELSIUS DEGC. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com