Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
3M Heat Shrink Tubing: 1.54 in I.D. Before Shrinking, 0.51 in I.D. After Shrinking - Standard Heat Shrink Tubing
3MStandard Heat Shrink Tubing

3M Heat Shrink Tubing: 1.54 in I.D. Before Shrinking, 0.51 in I.D. After Shrinking

The 3M Heat Shrink Tubing (SKU 4NKY9) is a standard heat shrink tubing product from 3M, available in black. It has a 1.54-inch inner diameter before shrinking and a 0.51-inch inner diameter after shrinking, with a…

SKU 3G-OTH-54071

Brand
3M
Item
Heat Shrink Tubing: 1.54 in I.D. Before Shrinking, 0.51 in I.D. After Shrinking
Category
Standard Heat Shrink Tubing
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

3M
Manufacturer Part Number
SFTW-203-1-1/2-48-BLACK
Type
Before Shrinking, 5 PK
Lg
4 ft
Color
Black
I.D. After Shrinking
0.51 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Heat Shrink Tubing (SKU 4NKY9) is a standard heat shrink tubing product from 3M, available in black. It has a 1.54-inch inner diameter before shrinking and a 0.51-inch inner diameter after shrinking, with a length of 4 feet per piece, sold in a pack of 5 (MPN SFTW-203-1-1/2-48-BLACK).

Frequently Asked Questions

What is 3M Heat Shrink Tubing used for?

3M Heat Shrink Tubing is used to insulate and protect electrical wires, cables, and connections from moisture, abrasion, and environmental damage. It shrinks tightly around components when heated, providing a durable, sealed covering. Common applications include automotive wiring, industrial control panels, and marine electrical systems.

What are the specifications of 3M Heat Shrink Tubing?

This 3M Heat Shrink Tubing (MPN SFTW-203-1-1/2-48-BLACK) has a 1.54-inch inner diameter before shrinking and a 0.51-inch inner diameter after shrinking. Each piece is 4 feet long, sold in a pack of 5. The tubing is black and made by 3M, suitable for standard heat shrink applications.

Where to buy 3M Heat Shrink Tubing worldwide?

You can source 3M Heat Shrink Tubing worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this 3M product to customers across multiple industries.

How to install 3M Heat Shrink Tubing?

To install 3M Heat Shrink Tubing, slide the tubing over the wire or connection before heating. Use a heat gun or hot air blower, applying heat evenly until the tubing shrinks tightly around the component. Avoid overheating to prevent damage. Allow it to cool before handling. Always follow standard electrical safety practices.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M standard heat shrink tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
3M Heat Shrink Tubing: 0.95 in I.D. Before Shrinking, 0.32 in I.D. After Shrinking, 4 ft Lg, 5 PK (MPN SFTW-203-1-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.95 in I.D. Before Shrinking, 0.32 in I.D. After Shrinking, 4 ft Lg, 5 PK (MPN SFTW-203-1-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M Heat Shrink Tubing: 0.71 in I.D. Before Shrinking, 0.24 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-3/4-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.71 in I.D. Before Shrinking, 0.24 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-3/4-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M Heat Shrink Tubing: 0.12 in I.D. Before Shrinking, 0.04 in I.D. After Shrinking, 4 ft Lg, 25 PK (MPN SFTW-203-1/8-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.12 in I.D. Before Shrinking, 0.04 in I.D. After Shrinking, 4 ft Lg, 25 PK (MPN SFTW-203-1/8-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M Heat Shrink Tubing: 0.47 in I.D. Before Shrinking, 0.16 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-1/2-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.47 in I.D. Before Shrinking, 0.16 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-1/2-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M Heat Shrink Tubing: 0.24 in I.D. Before Shrinking, 0.08 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-1/4-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.24 in I.D. Before Shrinking, 0.08 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-1/4-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M Heat Shrink Tubing: 0.35 in I.D. Before Shrinking, 0.12 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-3/8-48-BLACK). Key specifications — Color: Black; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.35 in I.D. Before Shrinking, 0.12 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-3/8-48-BLACK). Key specifications — Color: Black; Brand: 3M.

More from 3M

View all 3M parts →
3M Heat Shrink Tubing: 0.38 in I.D. Before Shrinking, 0.19 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-3/8-200'-GREEN-SPOOL). Key specifications — Color: Green; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.38 in I.D. Before Shrinking, 0.19 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-3/8-200'-GREEN-SPOOL). Key specifications — Color: Green; Brand: 3M.
3M Heat Shrink Tubing: 0.75 in I.D. Before Shrinking, 0.38 in I.D. After Shrinking, 6 in Lg, 10 PK (MPN FP301-3/4-6"-CLEAR-10-10 PC PKS). Key specifications — Color: Clear; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.75 in I.D. Before Shrinking, 0.38 in I.D. After Shrinking, 6 in Lg, 10 PK (MPN FP301-3/4-6"-CLEAR-10-10 PC PKS). Key specifications — Color: Clear; Brand: 3M.
3M Heat Shrink Tubing: 1.5 in I.D. Before Shrinking, 0.75 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN FP-301-1.5-Blue-4'-Bulk). Key specifications — Color: Blue; Brand: 3M.
3M
3M Heat Shrink Tubing: 1.5 in I.D. Before Shrinking, 0.75 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN FP-301-1.5-Blue-4'-Bulk). Key specifications — Color: Blue; Brand: 3M.
3M Heat Shrink Tubing: 1 in I.D. Before Shrinking, 0.5 in I.D. After Shrinking, 100 ft Lg, 2:1, 3 PK (MPN FP301-1-100'-YELLOW-SPOOL). Key specifications — Color: Yellow; Brand: 3M.
3M
3M Heat Shrink Tubing: 1 in I.D. Before Shrinking, 0.5 in I.D. After Shrinking, 100 ft Lg, 2:1, 3 PK (MPN FP301-1-100'-YELLOW-SPOOL). Key specifications — Color: Yellow; Brand: 3M.
3M Heat Shrink Tubing: 0.19 in I.D. Before Shrinking, 0.09 in I.D. After Shrinking, 6 in Lg, 10 PK (MPN FP301-3/16-6"-CLEAR-10-10 PC PKS). Key specifications — Color: Clear; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.19 in I.D. Before Shrinking, 0.09 in I.D. After Shrinking, 6 in Lg, 10 PK (MPN FP301-3/16-6"-CLEAR-10-10 PC PKS). Key specifications — Color: Clear; Brand: 3M.
3M Heat Shrink Tubing: 0.5 in I.D. Before Shrinking, 0.25 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-1/2-200'-YELLOW-SPOOL). Key specifications — Color: Yellow; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.5 in I.D. Before Shrinking, 0.25 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-1/2-200'-YELLOW-SPOOL). Key specifications — Color: Yellow; Brand: 3M.
3M Heat Shrink Tubing: 0.75 in I.D. Before Shrinking, 0.38 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-3/4-200'-RED-SPOOL). Key specifications — Color: Red; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.75 in I.D. Before Shrinking, 0.38 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-3/4-200'-RED-SPOOL). Key specifications — Color: Red; Brand: 3M.
3M Heat Shrink Tubing: 0.5 in I.D. Before Shrinking, 0.25 in I.D. After Shrinking, 4 ft Lg, 100 PK (MPN FP301-1/2-48"-RED-100 PCS). Key specifications — Color: Red; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.5 in I.D. Before Shrinking, 0.25 in I.D. After Shrinking, 4 ft Lg, 100 PK (MPN FP301-1/2-48"-RED-100 PCS). Key specifications — Color: Red; Brand: 3M.