PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-I-23053/2Insulation Sleeving,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-01-137-9208 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-137-9208 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-137-9208. Primary manufacturer part number: MIL-I-23053/2.
Features
  • Insulation Sleeving,electrical — FSC 5970
  • Color: BLACK
  • Style Designator: SHRINKABLE
  • Reliability Indicator: NOT ESTABLISHED
  • Heat Shrinkage Rating in Percent: 50.0
  • Temp Rating: -20.0 CELSIUS AND 105.0 CELSIUS DEGC
  • Environmental Protection: CORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT
  • Expanded Inside Diameter: 0.750 INCHES MINIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-137-9208, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-137-9208
Primary Part NumberMIL-I-23053/2
Item NameInsulation Sleeving,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
ColorBLACK
Style DesignatorSHRINKABLE
Reliability IndicatorNOT ESTABLISHED
Heat Shrinkage Rating in Percent50.0
Temp Rating-20.0 CELSIUS AND 105.0 CELSIUS DEGC
Environmental ProtectionCORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT
Expanded Inside Diameter0.750 INCHES MINIMUM IN
FlexibilityFLEXIBLE
Recovered Inside Diameter0.375 INCHES MAXIMUM IN
Recovered Wall Thickness0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Minimum Tensile Strength2000 POUNDS PER SQUARE INCH LBS
Dielectric Material Voltage Rating Per Unit Thickness400.0 VOLTS PER MIL /0.001 INCH/ IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5970-00-914-3118M23053/5-109-0 INTERCHANGEABLE
Insulation Sleeving,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MIL-I-23053/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M23053/2-209-0 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5970-00-914-3118INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
M23053/5-109-0

Frequently Asked Questions

What is NSN 5970-01-137-9208?

NSN 5970-01-137-9208 is a Insulation Sleeving,electrical, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-137-9208?

NSN 5970-01-137-9208 has 2 cross-referenced part numbers: MIL-I-23053/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M23053/2-209-0 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5970-01-137-9208?

There is 1 known substitute for 5970-01-137-9208: 5970-00-914-3118. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-I-23053/2?

Key specifications for MIL-I-23053/2: Color: BLACK; Style Designator: SHRINKABLE; Reliability Indicator: NOT ESTABLISHED; Heat Shrinkage Rating in Percent: 50.0. 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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