ST3021/8 BK103 is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Qualtek
In Stock: 0
Unit Price: $1.50000
Datasheet

Parametric Equivalent


TE Connectivity Raychem Cable Protection
In Stock: 0
Unit Price: $6.22000
Datasheet

Parametric Equivalent


Sumitomo Electric Interconnect Products, Inc.
In Stock: 69
Unit Price: $2.41000
Datasheet
Heat Shrink Tubing, Flexible 0.125" (3.18mm) 2 to 1 Black 4.00' (1.22m)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

ST3021/8 BK103

DigiKey Part Number
ST3021/8BK103-ND
Manufacturer
Manufacturer Product Number
ST3021/8 BK103
Description
HEATSHRINK BLK 4'
Manufacturer Standard Lead Time
5 Weeks
Customer Reference
Detailed Description
Heat Shrink Tubing, Flexible 0.125" (3.18mm) 2 to 1 Black 4.00' (1.22m)
Datasheet
 Datasheet
Product Attributes
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Category
Recovered Wall Thickness
0.027" (0.69mm)
Mfr
Material
Series
Features
Abrasion Resistant, Adhesive Lined, Chemical Resistant, Fluid Resistant, Heat Resistant, Self Extinguishing, UV Resistant
Packaging
Bulk
Color
Part Status
Active
Operating Temperature
-55°C ~ 110°C
Type
Shrink Temperature
110°C
Shrinkage Ratio
Storage/Refrigeration Temperature
65°F ~ 95°F (18°C ~ 35°C)
Length
4.00' (1.22m)
Shelf Life
36 Months
Inner Diameter - Supplied
0.125" (3.18mm)
Shelf Life Start
Date of Manufacture
Inner Diameter - Recovered
0.063" (1.60mm)
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
Q5-2X-1/8-01-QB48IN-25Qualtek0Q52X018B-ND$1.50000Parametric Equivalent
TAT-125-1/8-0-STKTE Connectivity Raychem Cable Protection0484-TAT-125-1/8-0-STK-ND$6.22000Parametric Equivalent
O2B2 1/8 BLACK 4FTSumitomo Electric Interconnect Products, Inc.692786-O2B21/8BLACK4FT-ND$2.41000Parametric Equivalent
In-Stock: 0
1 estimated in stock on 13-Nov-2026
Request Stock Notification
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$9.67000$9.67
3$8.91333$26.74
5$8.60000$43.00
7$8.42000$58.94
10$8.19600$81.96
25$7.70320$192.58
50$7.30020$365.01
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.