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UNITED SCIENTIFIC SUPPLIES Neoprene Rubber Stopper, Size 5-1/2, Green - Rubber Stoppers

UNITED SCIENTIFIC SUPPLIES Neoprene Rubber Stopper, Size 5-1/2, Green

The UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene is a green rubber stopper made from neoprene material. It has a stopper size of 5-1/2, with a bottom diameter of 24 mm, top diameter of 28 mm, and overall height of 25…

SKU 3G-OTH-381363

Also listed as: NST5AS · NST5A S

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Neoprene Rubber Stopper, Size 5-1/2, Green
Category
Rubber Stoppers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

UNITED SCIENTIFIC SUPPLIES
Manufacturer Part Number
NST5A-S
Type
Green
Material
Neoprene
Color
Green
Top Dia
28 mm
Bottom Dia
24 mm
Overall Ht
25 mm
Stopper Size
5-1/2

Technical Documents

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UNITED SCIENTIFIC SUPPLIES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene is a green rubber stopper made from neoprene material. It has a stopper size of 5-1/2, with a bottom diameter of 24 mm, top diameter of 28 mm, and overall height of 25 mm. This product is identified by manufacturer part number NST5A-S.

Frequently Asked Questions

What is a neoprene stopper used for?

A neoprene stopper is used to seal laboratory flasks, test tubes, and other glassware to prevent contamination or gas escape. It resists oils, solvents, and moderate heat, making it suitable for general lab applications in chemistry, biology, and industrial testing environments.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES neoprene stopper?

This neoprene stopper has a 5-1/2 stopper size, bottom diameter of 24 mm, top diameter of 28 mm, and overall height of 25 mm. It is green, made by UNITED SCIENTIFIC SUPPLIES INC, and carries MPN NST5A-S. The material is neoprene, offering chemical resistance and flexibility.

Where to buy UNITED SCIENTIFIC SUPPLIES stoppers in worldwide?

You can order the UNITED SCIENTIFIC SUPPLIES neoprene stopper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we source and deliver this item globally.

How to select the right neoprene stopper size?

To select the correct neoprene stopper, measure the inner diameter of your glassware opening. The stopper size 5-1/2 fits openings requiring a bottom diameter of 24 mm and top diameter of 28 mm. Ensure the stopper is slightly larger than the opening for a tight seal. Always verify dimensions against your equipment.

UNITED SCIENTIFIC SUPPLIES Products

3G Electric supplies UNITED SCIENTIFIC SUPPLIES rubber stoppers. 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
Green neoprene stopper with 6-1/2 stopper size, 27 mm bottom diameter, 34 mm top diameter, and 25 mm overall height. Used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a chemical-resistant closure
UNITED SCIENTIFIC SUPPLIES
Green neoprene stopper with 6-1/2 stopper size, 27 mm bottom diameter, 34 mm top diameter, and 25 mm overall height. Used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a chemical-resistant closure
Green neoprene rubber stopper, size 10-1/2, with top diameter 53 mm, bottom diameter 45 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and glassware for secure closure during mixing, storage, or transport
UNITED SCIENTIFIC SUPPLIES
Green neoprene rubber stopper, size 10-1/2, with top diameter 53 mm, bottom diameter 45 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and glassware for secure closure during mixing, storage, or transport
Neoprene rubber stopper with size 0, green color, 0 holes. Top diameter 17 mm, bottom diameter 13 mm, overall height 25 mm. Used to seal laboratory glassware such as flasks and test tubes for chemical containment, mixing, or storage
UNITED SCIENTIFIC SUPPLIES
Neoprene rubber stopper with size 0, green color, 0 holes. Top diameter 17 mm, bottom diameter 13 mm, overall height 25 mm. Used to seal laboratory glassware such as flasks and test tubes for chemical containment, mixing, or storage
Solid neoprene stopper in size 1, green color, with no holes. Measures 14 mm bottom diameter, 19 mm top diameter, and 25 mm overall height. Used to seal laboratory glassware such as flasks, test tubes, and bottles for mixing, storing, or transporting samples
UNITED SCIENTIFIC SUPPLIES
Solid neoprene stopper in size 1, green color, with no holes. Measures 14 mm bottom diameter, 19 mm top diameter, and 25 mm overall height. Used to seal laboratory glassware such as flasks, test tubes, and bottles for mixing, storing, or transporting samples
Green neoprene rubber stopper, size 000, with a top diameter of 13 mm, bottom diameter of 8 mm, and overall height of 25 mm. Used to seal laboratory glassware such as test tubes, flasks, and graduated cylinders, providing a chemical-resistant closure for containing gases or liquids
UNITED SCIENTIFIC SUPPLIES
Green neoprene rubber stopper, size 000, with a top diameter of 13 mm, bottom diameter of 8 mm, and overall height of 25 mm. Used to seal laboratory glassware such as test tubes, flasks, and graduated cylinders, providing a chemical-resistant closure for containing gases or liquids
Green neoprene rubber stopper, size 11-1/2, with a top diameter of 63 mm, bottom diameter of 50 mm, and overall height of 25 mm. Used to seal laboratory flasks, test tubes, and other glassware, providing a tight closure for mixing, shaking, or storing samples
UNITED SCIENTIFIC SUPPLIES
Green neoprene rubber stopper, size 11-1/2, with a top diameter of 63 mm, bottom diameter of 50 mm, and overall height of 25 mm. Used to seal laboratory flasks, test tubes, and other glassware, providing a tight closure for mixing, shaking, or storing samples

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This green neoprene rubber stopper, size 5, has a top diameter of 27 mm, bottom diameter of 23 mm, and overall height of 25 mm. With 0 holes, it provides a solid seal for laboratory flasks, test tubes, and bottles, suitable for general containment or vacuum applications where no tubing passage is required
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This green neoprene rubber stopper, size 5, has a top diameter of 27 mm, bottom diameter of 23 mm, and overall height of 25 mm. With 0 holes, it provides a solid seal for laboratory flasks, test tubes, and bottles, suitable for general containment or vacuum applications where no tubing passage is required
Black rubber stopper, size 3, with a bottom diameter of 18 mm, top diameter of 24 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Commonly used to seal laboratory flasks, test tubes, or bottles in chemistry and biology applications
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Black rubber stopper, size 3, with a bottom diameter of 18 mm, top diameter of 24 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Commonly used to seal laboratory flasks, test tubes, or bottles in chemistry and biology applications
Green neoprene rubber stopper, size 12, with top diameter 64 mm, bottom diameter 54 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and other glassware, providing resistance to oils, solvents, and moderate heat
UNITED SCIENTIFIC SUPPLIES
Green neoprene rubber stopper, size 12, with top diameter 64 mm, bottom diameter 54 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and other glassware, providing resistance to oils, solvents, and moderate heat
Black rubber stopper, size 13, with 2 holes. Top diameter 68 mm, bottom diameter 58 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, or bottles while allowing insertion of tubing or probes
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper, size 13, with 2 holes. Top diameter 68 mm, bottom diameter 58 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, or bottles while allowing insertion of tubing or probes
Green neoprene stopper, size 6, with 0 holes. Top diameter 32 mm, bottom diameter 26 mm, overall height 25 mm. Used to seal laboratory flasks and test tubes, preventing contamination or gas escape in general lab applications
UNITED SCIENTIFIC SUPPLIES
Green neoprene stopper, size 6, with 0 holes. Top diameter 32 mm, bottom diameter 26 mm, overall height 25 mm. Used to seal laboratory flasks and test tubes, preventing contamination or gas escape in general lab applications
Solid neoprene stopper for sealing laboratory flasks, test tubes, and bottles. Size 2 with 20 mm top diameter, 16 mm bottom diameter, and 25 mm height. Green color, 0 holes, suitable for general-purpose stoppering in chemistry and biology applications
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Solid neoprene stopper for sealing laboratory flasks, test tubes, and bottles. Size 2 with 20 mm top diameter, 16 mm bottom diameter, and 25 mm height. Green color, 0 holes, suitable for general-purpose stoppering in chemistry and biology applications
Black rubber stopper, size 8, with 41 mm top diameter, 33 mm bottom diameter, and 25 mm overall height. Features two holes for inserting tubing, thermometers, or probes. Used to seal laboratory flasks, test tubes, or bottles in general lab applications
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Black rubber stopper, size 8, with 41 mm top diameter, 33 mm bottom diameter, and 25 mm overall height. Features two holes for inserting tubing, thermometers, or probes. Used to seal laboratory flasks, test tubes, or bottles in general lab applications
Black rubber stopper, size 7-1/2, with top diameter 39 mm, bottom diameter 31 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and bottles, providing a non-reactive closure for general lab applications
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper, size 7-1/2, with top diameter 39 mm, bottom diameter 31 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and bottles, providing a non-reactive closure for general lab applications