We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene, 10 1/2 Stopper Size, 45 mm Bottom Dia, 53 mm Top Dia - Rubber Stoppers

UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene, 10 1/2 Stopper Size, 45 mm Bottom Dia, 53 mm Top Dia

The UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene is a rubber stopper made from green neoprene. It has a stopper size of 10-1/2, with a bottom diameter of 45 mm, a top diameter of 53 mm, and an overall height of 25 mm.

SKU 3G-OTH-381393

Also listed as: NST10AS · NST10A S

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Stopper: Neoprene, 10 1/2 Stopper Size, 45 mm Bottom Dia, 53 mm Top Dia
Category
Rubber Stoppers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
NST10A-S
Type
Green
Material
Neoprene
Color
Green
Top Dia
53 mm
Bottom Dia
45 mm
Overall Ht
25 mm
Stopper Size
10-1/2

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

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

Product Description

The UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene is a rubber stopper made from green neoprene. It has a stopper size of 10-1/2, with a bottom diameter of 45 mm, a top diameter of 53 mm, and an overall height of 25 mm.

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 green neoprene stopper (size 10-1/2) seals laboratory flasks, test tubes, and other glassware to prevent leaks or contamination. It is commonly used in chemical, pharmaceutical, and educational labs for secure, reusable closures during mixing, storage, or transport.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES stopper NST10A-S?

The stopper is made of green neoprene, size 10-1/2, with a bottom diameter of 45 mm, top diameter of 53 mm, and overall height of 25 mm. It is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number NST10A-S.

Where to buy a UNITED SCIENTIFIC SUPPLIES neoprene stopper worldwide?

3G Electric supplies the UNITED SCIENTIFIC SUPPLIES neoprene stopper NST10A-S to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct part for your lab or industrial application.

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

Measure the inner diameter of your flask neck and match it to the stopper's bottom diameter (45 mm for this size 10-1/2). Neoprene offers good chemical resistance and flexibility. For a secure fit, the stopper should compress slightly when inserted.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
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
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
This green neoprene stopper, size 9, has a top diameter of 45 mm, bottom diameter of 37 mm, and overall height of 25 mm. It is solid with no holes, suitable for sealing laboratory flasks, test tubes, and other glassware
UNITED SCIENTIFIC SUPPLIES
This green neoprene stopper, size 9, has a top diameter of 45 mm, bottom diameter of 37 mm, and overall height of 25 mm. It is solid with no holes, suitable for sealing laboratory flasks, test tubes, and other glassware
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)
Stopper: Neoprene, 3 Stopper Size, 18 mm Bottom Dia, 24 mm Top Dia, 25 mm Overall Ht, Green, 0 Holes (MPN NST3-S)
UNITED SCIENTIFIC SUPPLIES
Stopper: Neoprene, 3 Stopper Size, 18 mm Bottom Dia, 24 mm Top Dia, 25 mm Overall Ht, Green, 0 Holes (MPN NST3-S)
Green neoprene rubber stopper, size 00, with 10 mm bottom diameter, 15 mm top diameter, and 25 mm overall height. Used to seal laboratory glassware such as flasks and test tubes, providing a tight closure for general lab applications
UNITED SCIENTIFIC SUPPLIES
Green neoprene rubber stopper, size 00, with 10 mm bottom diameter, 15 mm top diameter, and 25 mm overall height. Used to seal laboratory glassware such as flasks and test tubes, providing a tight closure for general lab applications

More from UNITED SCIENTIFIC SUPPLIES

View all UNITED SCIENTIFIC SUPPLIES parts
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 green, size 5-1/2, with top diameter 28 mm, bottom diameter 24 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and glassware to prevent contamination or gas escape
UNITED SCIENTIFIC SUPPLIES
Neoprene rubber stopper in green, size 5-1/2, with top diameter 28 mm, bottom diameter 24 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and glassware to prevent contamination or gas escape
Black rubber stopper size 6-1/2 with top diameter 34 mm, bottom diameter 27 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and other glassware to prevent leaks and contamination during mixing, storage, or transport of chemicals and samples
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper size 6-1/2 with top diameter 34 mm, bottom diameter 27 mm, and overall height 25 mm. Used to seal laboratory flasks, test tubes, and other glassware to prevent leaks and contamination during mixing, storage, or transport of chemicals and samples
Black rubber stopper with two holes, Size 2. Top diameter 20 mm, bottom diameter 16 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, or bottles while allowing insertion of glass tubing, thermometers, or probes
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper with two holes, Size 2. Top diameter 20 mm, bottom diameter 16 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, or bottles while allowing insertion of glass tubing, thermometers, or probes
Black rubber stopper, size 00, with a top diameter of 15 mm, bottom diameter of 10 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Used to seal laboratory flasks, test tubes, and other glassware in containment and connection applications
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper, size 00, with a top diameter of 15 mm, bottom diameter of 10 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Used to seal laboratory flasks, test tubes, and other glassware in containment and connection applications
Black rubber stopper, size 7, with a top diameter of 37 mm, bottom diameter of 30 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Used to seal laboratory flasks, test tubes, and other glassware in chemistry, biology, and industrial labs for gas or liquid transfer applications
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper, size 7, with a top diameter of 37 mm, bottom diameter of 30 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Used to seal laboratory flasks, test tubes, and other glassware in chemistry, biology, and industrial labs for gas or liquid transfer applications
Black rubber stopper with a top diameter of 127 mm, bottom diameter of 90 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Commonly used to seal laboratory flasks, test tubes, and glassware to prevent contamination or gas leakage
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper with a top diameter of 127 mm, bottom diameter of 90 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Commonly used to seal laboratory flasks, test tubes, and glassware to prevent contamination or gas leakage
Black rubber stopper, size 0, with 2 holes. Top diameter 17 mm, bottom diameter 13 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, or bottles while allowing insertion of tubing or probes through the holes
UNITED SCIENTIFIC SUPPLIES
Black rubber stopper, size 0, with 2 holes. Top diameter 17 mm, bottom diameter 13 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, or bottles while allowing insertion of tubing or probes through the holes