PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TRANSFLEXInsulation Sleeving,electrical

Minnesota Mining and Mfg Co 3m Company · NSN 5970-00-221-5304 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-221-5304 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-221-5304. Primary manufacturer part number: TRANSFLEX.
Features
  • Insulation Sleeving,electrical — FSC 5970
  • Minimum Tensile Strength: 1800 POUNDS PER SQUARE INCH LBS
  • Color: CLEAR
  • Flexibility: FLEXIBLE
  • Temp Rating: -30.0 CELSIUS AND 75.0 CELSIUS DEGC
  • Environmental Protection: FLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT
  • Dielectric Material Voltage Rating Per Unit Thickness: 570.0 VOLTS PER MIL /0.001 INCH/ IN
  • 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 5970-00-221-5304, 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 Minnesota Mining and Mfg Co 3m Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 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
NSN5970-00-221-5304
Primary Part NumberTRANSFLEX
Item NameInsulation Sleeving,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMinnesota Mining and Mfg Co 3m Company
StatusACTIVE
Minimum Tensile Strength1800 POUNDS PER SQUARE INCH LBS
ColorCLEAR
FlexibilityFLEXIBLE
Temp Rating-30.0 CELSIUS AND 75.0 CELSIUS DEGC
Environmental ProtectionFLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT
Dielectric Material Voltage Rating Per Unit Thickness570.0 VOLTS PER MIL /0.001 INCH/ IN
Style DesignatorNONSHRINKABLE
Departure From Cited DocumentAS MOD BY COLOR
Nondefinitive Spec/std Data1 CATEGORY AND I CLASS AND U FORM AND A GRADE AND 0.520 IN. SIZE AND UB SUBFORM AND F TYPE IN
Reliability IndicatorNOT ESTABLISHED
Inside Diameter0.515 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
Wall Thickness0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
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.
5970-00-221-5302 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5303 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5305 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-221-5308 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-222-4778 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-222-4780 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-222-4782 INTERCHANGEABLE
Insulation Sleeving,electrical
Cross-Reference Index
Part NumberManufacturer
TRANSFLEX Minnesota Mining and Mfg Co 3m Company (USA)
ASTRA 701 Essex Group Inc Suflex/iwp Div (USA)
RESINITE EP69C Borden Chemical Co Resinite Dept (USA)
TRANSFLEX 3m Co Admininistrative Electronic & Communications (USA)
TURBOLEX 76B Prysmian Cables and Systems Usa, Llc Div Manufacturing Plant (USA)
MIL-I-631 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3002 Minnesota Mining and Mfg Co 3m Company (USA)
TRANSFLEX 3m Company (USA)
3002 3m Company (USA)
NATVAR261 High Voltage Engineering Corp Natvar Co Div (USA)
SURCO B-5 Rscc Wire & Cable Llc (USA)
GLITEX 120 Nalge Co Div of Sybron Corp (USA)
3002 3m Co Admininistrative Electronic & Communications (USA)
ITCO 919 Insultab Inc Div Pexco Athol (USA)
Related Parts
5970-00-221-5297INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5298INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5299INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
FLEXITE STANDARD UB
5970-00-221-5302INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5303INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5305INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-221-5308INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-222-4778INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-222-4780INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-222-4782INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-246-3193INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-556-2717INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
9025903

Frequently Asked Questions

What is NSN 5970-00-221-5304?

NSN 5970-00-221-5304 is a Insulation Sleeving,electrical, manufactured by Minnesota Mining and Mfg Co 3m Company, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-221-5304?

NSN 5970-00-221-5304 has 14 cross-referenced part numbers: TRANSFLEX (Minnesota Mining and Mfg Co 3m Company), ASTRA 701 (Essex Group Inc Suflex/iwp Div), RESINITE EP69C (Borden Chemical Co Resinite Dept), TRANSFLEX (3m Co Admininistrative Electronic & Communications), TURBOLEX 76B (Prysmian Cables and Systems Usa, Llc Div Manufacturing Plant) and 9 more.

What NSN replaces 5970-00-221-5304?

There are 12 known substitutes for 5970-00-221-5304: 5970-00-221-5297, 5970-00-221-5298, 5970-00-221-5299 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TRANSFLEX?

Key specifications for TRANSFLEX: Minimum Tensile Strength: 1800 POUNDS PER SQUARE INCH LBS; Color: CLEAR; Flexibility: FLEXIBLE; Temp Rating: -30.0 CELSIUS AND 75.0 CELSIUS DEGC. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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