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UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene, 12 Stopper Size, 54 mm Bottom Dia, 64 mm Top Dia, 25 mm Overall Ht - Rubber Stoppers

UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene, 12 Stopper Size, 54 mm Bottom Dia, 64 mm Top Dia, 25 mm Overall Ht

The UNITED SCIENTIFIC SUPPLIES Stopper is a neoprene rubber stopper in size 12, featuring a green color. It has a bottom diameter of 54 mm, a top diameter of 64 mm, and an overall height of 25 mm. This product is…

SKU 3G-OTH-381390

Also listed as: NST12S · NST12 S

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Stopper: Neoprene, 12 Stopper Size, 54 mm Bottom Dia, 64 mm Top Dia, 25 mm Overall Ht
Category
Rubber Stoppers
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

UNITED SCIENTIFIC SUPPLIES
Manufacturer Part Number
NST12-S
Type
Green
Material
Neoprene
Color
Green
Top Dia
64 mm
Bottom Dia
54 mm
Overall Ht
25 mm
Stopper Size
12

Technical Documents

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

Product Description

The UNITED SCIENTIFIC SUPPLIES Stopper is a neoprene rubber stopper in size 12, featuring a green color. It has a bottom diameter of 54 mm, a top diameter of 64 mm, and an overall height of 25 mm. This product is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number NST12-S.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a UNITED SCIENTIFIC SUPPLIES neoprene stopper used for?

This neoprene stopper (size 12) seals laboratory flasks, test tubes, and other glassware to prevent leaks or contamination. Its green color aids quick identification. Neoprene resists oils, solvents, and moderate heat, making it suitable for general lab, chemical, and industrial applications.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES stopper NST12-S?

The stopper is size 12, made of green neoprene. It has a bottom diameter of 54 mm, a top diameter of 64 mm, and an overall height of 25 mm. The manufacturer part number is NST12-S, produced by UNITED SCIENTIFIC SUPPLIES INC.

Where to buy UNITED SCIENTIFIC SUPPLIES stoppers worldwide?

3G Electric supplies the UNITED SCIENTIFIC SUPPLIES neoprene stopper NST12-S to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this lab consumable.

How to select the right size neoprene stopper for a flask?

Measure the inner diameter of your flask opening. The stopper size (e.g., 12) corresponds to a standard taper or nominal size. For the NST12-S, the top diameter is 64 mm and bottom is 54 mm. Ensure the stopper fits snugly without forcing to avoid glass breakage.

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 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
Neoprene rubber stopper in size 11, green color. Top diameter 56 mm, bottom diameter 48 mm, overall height 25 mm. Used to seal laboratory glassware such as flasks, test tubes, and bottles in general lab applications
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Neoprene rubber stopper in size 11, green color. Top diameter 56 mm, bottom diameter 48 mm, overall height 25 mm. Used to seal laboratory glassware such as flasks, test tubes, and bottles in general lab applications
Solid neoprene stopper in Size 7, green color, with a top diameter of 37 mm, bottom diameter of 30 mm, and overall height of 25 mm. Designed for sealing laboratory containers such as flasks and test tubes, providing an airtight closure to prevent contamination or evaporation
UNITED SCIENTIFIC SUPPLIES
Solid neoprene stopper in Size 7, green color, with a top diameter of 37 mm, bottom diameter of 30 mm, and overall height of 25 mm. Designed for sealing laboratory containers such as flasks and test tubes, providing an airtight closure to prevent contamination or evaporation
Stopper: Neoprene, 10 1/2 Stopper Size, 45 mm Bottom Dia, 53 mm Top Dia, 25 mm Overall Ht, Green (MPN NST10A-S)
UNITED SCIENTIFIC SUPPLIES
Stopper: Neoprene, 10 1/2 Stopper Size, 45 mm Bottom Dia, 53 mm Top Dia, 25 mm Overall Ht, Green (MPN NST10A-S)
Green neoprene rubber stopper, size 10, with a top diameter of 50 mm, bottom diameter of 42 mm, and overall height of 25 mm. Used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a flexible and chemical-resistant closure for mixing, storing, or transporting samples
UNITED SCIENTIFIC SUPPLIES
Green neoprene rubber stopper, size 10, with a top diameter of 50 mm, bottom diameter of 42 mm, and overall height of 25 mm. Used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a flexible and chemical-resistant closure for mixing, storing, or transporting samples
Stopper: Neoprene, 5 Stopper Size, 23 mm Bottom Dia, 27 mm Top Dia, 25 mm Overall Ht, Green, 0 Holes (MPN NST5-S)
UNITED SCIENTIFIC SUPPLIES
Stopper: Neoprene, 5 Stopper Size, 23 mm Bottom Dia, 27 mm Top Dia, 25 mm Overall Ht, Green, 0 Holes (MPN NST5-S)

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This green neoprene rubber stopper, size 4, has a top diameter of 26 mm, bottom diameter of 20 mm, and overall height of 25 mm. With 0 holes, it provides an airtight seal for laboratory containers such as flasks and test tubes, suitable for general lab use
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This green neoprene rubber stopper, size 4, has a top diameter of 26 mm, bottom diameter of 20 mm, and overall height of 25 mm. With 0 holes, it provides an airtight seal for laboratory containers such as flasks and test tubes, suitable for general lab use
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Black rubber stopper, size 10, with 2 holes. Top diameter 53 mm, bottom diameter 45 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, and glassware, preventing contamination and gas leakage. The two holes allow insertion of tubing or thermometers for controlled setups
Black rubber stopper, size 10-1/2, with a top diameter of 50 mm, bottom diameter of 42 mm, and overall height of 25 mm. Used to seal laboratory glassware such as flasks, test tubes, and bottles to prevent leaks and contamination during mixing, storage, or transport of chemicals and samples
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Black rubber stopper, size 10-1/2, with a top diameter of 50 mm, bottom diameter of 42 mm, and overall height of 25 mm. Used to seal laboratory glassware such as flasks, test tubes, and bottles to prevent leaks and contamination during mixing, storage, or transport of chemicals and samples
This solid neoprene stopper, size 3, is used to seal laboratory glassware such as flasks, test tubes, and bottles. It features a top diameter of 24 mm, bottom diameter of 18 mm, and overall height of 25 mm. The green neoprene material provides resistance to oils, solvents, and moderate temperatures for general lab applications
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This solid neoprene stopper, size 3, is used to seal laboratory glassware such as flasks, test tubes, and bottles. It features a top diameter of 24 mm, bottom diameter of 18 mm, and overall height of 25 mm. The green neoprene material provides resistance to oils, solvents, and moderate temperatures for general lab applications
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Black rubber stopper, size 5, with a top diameter of 27 mm, bottom diameter of 23 mm, and overall height of 25 mm. Features two holes for inserting tubing or probes. Used to seal laboratory flasks, test tubes, and glassware in general lab applications