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3M NST-1-1/4-50'-BLACK-SPOOL Standard Heat Shrink Tubing
3MStandard Heat Shrink Tubing

3M NST-1-1/4-50'-BLACK-SPOOL Standard Heat Shrink Tubing

The 3M Heat Shrink Tubing (SKU 3G-OTH-53023) is a standard heat shrink tubing product from 3M, supplied in black. It features a 1.25-inch inner diameter before shrinking and a 0.63-inch inner diameter after…

SKU 3G-OTH-53023

Also listed as: NST11450BLACKSPOOL · NST 1 1 4 50 BLACK SPOOL · NST-1-1-4-50-BLACK-SPOOL

Brand
3M
Item
NST-1-1/4-50'-BLACK-SPOOL Standard Heat Shrink Tubing
Category
Standard Heat Shrink Tubing
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

3M
Manufacturer Part Number
NST-1-1/4-50'-BLACK-SPOOL
Type
Before Shrinking, 2 PK
Lg
50 ft
Color
Black
I.D. After Shrinking
0.63 in

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

Product Description

The 3M Heat Shrink Tubing (SKU 3G-OTH-53023) is a standard heat shrink tubing product from 3M, supplied in black. It features a 1.25-inch inner diameter before shrinking and a 0.63-inch inner diameter after shrinking, with a length of 50 feet per spool, sold in a pack of 2. This tubing is identified by manufacturer part number NST-1-1/4-50'-BLACK-SPOOL.

Frequently Asked Questions

What is 3M Heat Shrink Tubing used for?

3M Heat Shrink Tubing is used for insulating and protecting electrical connections, wires, and cables in industrial, automotive, and electronic applications. It provides abrasion resistance, strain relief, and environmental sealing when heated, shrinking to fit tightly around components.

What are the specifications of 3M Heat Shrink Tubing?

This 3M Heat Shrink Tubing has a 1.25-inch inner diameter before shrinking and a 0.63-inch inner diameter after shrinking. It is 50 feet long per spool, sold in a pack of 2, in black color. The manufacturer part number is NST-1-1/4-50'-BLACK-SPOOL.

Where to buy 3M Heat Shrink Tubing worldwide?

3G Electric supplies 3M Heat Shrink Tubing worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this 3M product.

How to install 3M Heat Shrink Tubing?

To install, slide the tubing over the connection or wire before shrinking. Apply heat evenly using a heat gun or oven at the recommended temperature (typically around 121 °C) until the tubing shrinks snugly around the component. Allow it to cool before handling.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
3M Heat Shrink Tubing: 1.5 in I.D. Before Shrinking, 0.75 in I.D. After Shrinking, 50 ft Lg, 2 PK (MPN NST-1-1/2-50'-BLACK-SPOOL)
3M
3M Heat Shrink Tubing: 1.5 in I.D. Before Shrinking, 0.75 in I.D. After Shrinking, 50 ft Lg, 2 PK (MPN NST-1-1/2-50'-BLACK-SPOOL)
3M Heat Shrink Tubing: 0.75 in I.D. Before Shrinking, 0.38 in I.D. After Shrinking, 4 ft Lg, 50 PK (MPN FP301-3/4-48"-BLACK-50 PCS)
3M
3M Heat Shrink Tubing: 0.75 in I.D. Before Shrinking, 0.38 in I.D. After Shrinking, 4 ft Lg, 50 PK (MPN FP301-3/4-48"-BLACK-50 PCS)
3M Heat Shrink Tubing: 0.13 in I.D. Before Shrinking, 0.06 in I.D. After Shrinking, 500 ft Lg, 3 PK (MPN FP-301VW-1/8-Black-500')
3M
3M Heat Shrink Tubing: 0.13 in I.D. Before Shrinking, 0.06 in I.D. After Shrinking, 500 ft Lg, 3 PK (MPN FP-301VW-1/8-Black-500')
Black polyolefin heat shrink tubing with a 2:1 shrink ratio. Inner diameter shrinks from 0.19 in to 0.09 in upon heating. Supplied in a 3-pack totaling 250 ft. Used for insulating and protecting wire splices, terminals, and cable connections in electrical and electronic applications
3M
Black polyolefin heat shrink tubing with a 2:1 shrink ratio. Inner diameter shrinks from 0.19 in to 0.09 in upon heating. Supplied in a 3-pack totaling 250 ft. Used for insulating and protecting wire splices, terminals, and cable connections in electrical and electronic applications
3M Heat Shrink Tubing: 0.13 in I.D. Before Shrinking, 0.06 in I.D. After Shrinking, 500 ft Lg, 3 PK (MPN FP301-1/8-500'-BLACK-SPOOL)
3M
3M Heat Shrink Tubing: 0.13 in I.D. Before Shrinking, 0.06 in I.D. After Shrinking, 500 ft Lg, 3 PK (MPN FP301-1/8-500'-BLACK-SPOOL)
3M Heat Shrink Tubing: 0.13 in I.D. Before Shrinking, 0.06 in I.D. After Shrinking, 4 ft Lg, 250 PK (MPN FP-301-1/8-Black-4'-Bulk)
3M
3M Heat Shrink Tubing: 0.13 in I.D. Before Shrinking, 0.06 in I.D. After Shrinking, 4 ft Lg, 250 PK (MPN FP-301-1/8-Black-4'-Bulk)

More from 3M

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Clear polyolefin heat shrink tubing with 0.25 in inner diameter before shrinking and 0.13 in after. Supplied in 200 ft lengths, sold as a 3-pack. Used for insulating, protecting, and bundling electrical wires and cables in industrial, automotive, and electronic applications
3M
Clear polyolefin heat shrink tubing with 0.25 in inner diameter before shrinking and 0.13 in after. Supplied in 200 ft lengths, sold as a 3-pack. Used for insulating, protecting, and bundling electrical wires and cables in industrial, automotive, and electronic applications
Standard heat shrink tubing for insulating, protecting, and bundling electrical wires and cables. Clear color allows visual inspection of connections. Inner diameter shrinks from 0.09 in to 0.05 in with heat. Each piece is 4 ft long, supplied in a 25-piece pack
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Standard heat shrink tubing for insulating, protecting, and bundling electrical wires and cables. Clear color allows visual inspection of connections. Inner diameter shrinks from 0.09 in to 0.05 in with heat. Each piece is 4 ft long, supplied in a 25-piece pack
Standard heat shrink tubing for insulating and protecting electrical connections, wires, and cables. Each piece has a 2-inch inner diameter before shrinking and a 1-inch inner diameter after shrinking. Supplied in red, 4-foot lengths, 24 pieces per pack
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Standard heat shrink tubing for insulating and protecting electrical connections, wires, and cables. Each piece has a 2-inch inner diameter before shrinking and a 1-inch inner diameter after shrinking. Supplied in red, 4-foot lengths, 24 pieces per pack
Red polyolefin heat shrink tubing with 0.25 in inner diameter before shrinking and 0.13 in after shrinking. Each piece is 4 ft long, supplied in a bulk pack of 200 pieces. Used for insulating electrical connections, providing strain relief, and protecting against moisture and abrasion
3M
Red polyolefin heat shrink tubing with 0.25 in inner diameter before shrinking and 0.13 in after shrinking. Each piece is 4 ft long, supplied in a bulk pack of 200 pieces. Used for insulating electrical connections, providing strain relief, and protecting against moisture and abrasion
Green heat shrink tubing with 1-inch inner diameter before shrinking and 0.5-inch after, providing a 2:1 shrink ratio. Each pack contains 100 feet, sold as a 3-pack. Used for insulating and protecting electrical wires, cables, and connections from moisture, abrasion, and environmental damage in industrial maintenance, automotive wiring, and electronics assembly
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Green heat shrink tubing with 1-inch inner diameter before shrinking and 0.5-inch after, providing a 2:1 shrink ratio. Each pack contains 100 feet, sold as a 3-pack. Used for insulating and protecting electrical wires, cables, and connections from moisture, abrasion, and environmental damage in industrial maintenance, automotive wiring, and electronics assembly
Standard heat shrink tubing for insulating and protecting electrical wires, cables, and connections. Inner diameter shrinks from 0.38 in to 0.19 in. Each piece is 4 ft long, supplied in a pack of 125 pieces. Color is yellow
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Standard heat shrink tubing for insulating and protecting electrical wires, cables, and connections. Inner diameter shrinks from 0.38 in to 0.19 in. Each piece is 4 ft long, supplied in a pack of 125 pieces. Color is yellow
Clear polyolefin heat shrink tubing for insulating, protecting, and bundling electrical wires and cables. Shrinks to 0.19 in inner diameter when heated. Each 6-inch piece allows visual inspection of connections. Sold in a pack of 10
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Clear polyolefin heat shrink tubing for insulating, protecting, and bundling electrical wires and cables. Shrinks to 0.19 in inner diameter when heated. Each 6-inch piece allows visual inspection of connections. Sold in a pack of 10
Standard heat shrink tubing with a 2:1 shrink ratio, reducing from 4-inch inner diameter to 2-inch inner diameter. Supplied in a 50-foot length, black color. Used for insulating and protecting electrical connections, cable splicing, and termination in industrial and commercial applications
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Standard heat shrink tubing with a 2:1 shrink ratio, reducing from 4-inch inner diameter to 2-inch inner diameter. Supplied in a 50-foot length, black color. Used for insulating and protecting electrical connections, cable splicing, and termination in industrial and commercial applications