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ST-221-1/4IN WHITE — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The INSULATION SLEEVING,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: PLASTIC CROSS-LINKED POLYOLEFIN, flexibility: FLEXIBLE, temp_rating: -55.0 CELSIUS AND 135.0 CELSIUS DEGC, style_designator: SHRINKABLE, reliability_indicator: NOT ESTABLISHED, environmental_protection: CORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT AND WATER RESISTANT. This part is cataloged in the Federal Logistics Information System under NSN 5970-00-814-2878, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ST-221-1/4IN WHITE
NSN: 5970-00-814-2878
FSC: 5970
CAGE: 56352 — MANHATTAN/CDT COLE-FLEX (USA)
SPECIFICATIONS
materialPLASTIC CROSS-LINKED POLYOLEFIN
flexibilityFLEXIBLE
temp_rating-55.0 CELSIUS AND 135.0 CELSIUS DEGC
style_designatorSHRINKABLE
reliability_indicatorNOT ESTABLISHED
environmental_protectionCORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT AND WATER RESISTANT
expanded_inside_diameter0.250 INCHES MINIMUM IN
minimum_tensile_strength1500 POUNDS PER SQUARE INCH LBS
recovered_wall_thickness0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
recovered_inside_diameter0.125 INCHES MAXIMUM IN
heat_shrinkage_rating_in_percent50.0
dielectric_material_voltage_rating_per_unit_thickness500.0 VOLTS PER MIL /0.001 INCH/ IN
NSN5970-00-814-2878
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATION SLEEVING,ELECTRICAL TITLE COMPONENT PN ST-221-1/4IN WHITE MFR INSULATION SLEEVING,EL
KEY FEATURES
•
RECOVERED INSIDE DIAMETER: 0.125 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHRINKABLE
•
MINIMUM TENSILE STRENGTH: 1500 POUNDS PER SQUARE INCH LBS
•
DIELECTRIC MATERIAL VOLTAGE RATING PER UNIT THICKNESS: 500.0 VOLTS PER MIL /0.001 INCH/ IN
•
ENVIRONMENTAL PROTECTION: CORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT AND WATER RESISTANT
•
COLOR: WHITE
•
FLEXIBILITY: FLEXIBLE
•
HEAT SHRINKAGE RATING IN PERCENT: 50.0
TECHNICAL CHARACTERISTICS
RECOVERED INSIDE DIAMETER0.125 INCHES MAXIMUM IN
STYLE DESIGNATORSHRINKABLE
MINIMUM TENSILE STRENGTH1500 POUNDS PER SQUARE INCH LBS
DIELECTRIC MATERIAL VOLTAGE RATING PER UNIT THICKNESS500.0 VOLTS PER MIL /0.001 INCH/ IN
ENVIRONMENTAL PROTECTIONCORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT AND WATER RESISTANT
COLORWHITE
FLEXIBILITYFLEXIBLE
HEAT SHRINKAGE RATING IN PERCENT50.0
RECOVERED WALL THICKNESS0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
EXPANDED INSIDE DIAMETER0.250 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
11313-6 WHITEInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
45-033344-24InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
VERSAFIT-1/4-9-SPInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RNF-100TYPE1 3/8IN WHITEInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
816TE0064InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
065-001756-021InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST-221-1/4IN WHITE?
ST-221-1/4IN WHITE is a INSULATION SLEEVING,ELECTRICAL.
What parts can replace ST-221-1/4IN WHITE?
There are 33 known substitutes for ST-221-1/4IN WHITE: 11313-6 WHITE, 45-033344-24, VERSAFIT-1/4-9-SP and 30 more. Substitute compatibility should be verified for your specific system.
Is ST-221-1/4IN WHITE still available?
ST-221-1/4IN WHITE is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026