3/4 NPT Air Compressor Oil Sight Glass, Male Hex Head Compresssor Oil Sight Glass, Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window for Air Compressor Gearbox Tank

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3/4 NPT Air Compressor Oil Sight Glass, Male Hex Head Compresssor Oil Sight Glass, Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window for Air Compressor Gearbox Tank

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【Good Transparent View 】The 3/4 NPT brass oil level sight glass with tempered glass which the thickness is 3mm ,... Read more

Out of stock, 1-3 weeks

$16.39 Excl. VAT

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Shipped today? Order within: Jun 16, 2026 23:59:00 -0500

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Description

【Good Transparent View 】The 3/4 NPT brass oil level sight glass with tempered glass which the thickness is 3mm , can provide you with a good transparent sight view and has a good has a good ability to withstand pressure, the compressor oil sight glass is also with baffle which help you can easily observe the change of medium.
【Temperature & Pressure】Air compressor oil sight glass gauge can work under 797 PSI (55 bar) and temperature 120 Celsius. The sight window is qualified to pass strict pressure and temperature tests by our factory.
【Material】The 3/4 NPT hydraulic tank sight glass is made of solid brass, the glass is borosilicate glass, The o-ring inside the oil sight glass is NBR , which is not easy to wear and burst compares to plastic material. It can work in different environment.
【Application】 The tank oil sight plug is a kind of liquid indicator used in tanks, air compressors, pumps, piping system, automotive industries, bearing housing and gearboxes etc. The oil level indicator has good viewport for visual Inspection of water, oil and gas (WOG).
【Service】 Our QC department do 100% quality inspection on the compressor oil sight glass before delivery. We will do 100% refund if the sight plug part is defective. Your valuable suggestions and advice will be greatly appreciated by our team.

Product description

Please check the thread type and size carefully before ordering.

Name: 3/4 NPT Air Compressor Oil Sight Glass, Male Hex Head Compresssor Oil Sight Glass, Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window for Air Compressor Gearbox Tank
Brand: Veloura
SKU: 336c03f6-25c7-4672-9743-223bd58ef02a
Price: 16.39 USD

The tank oil sight plug is a kind of liquid indicator used in tank, air compressor, pump, piping system and etc.

When changing the brass oil level sight glass, please turn off the air compressor and release the pressure.

The oil level indicator has good viewport for visual Inspection of water, oil and gas (WOG).

Air compressor Oil Sight Glass enables users to observe the level of liquid within containers, a clear view of oil color, clarity and accumulation of water or other contaminates.

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Customer Reviews	4.7 out of 5 stars 30	4.5 out of 5 stars 175	4.6 out of 5 stars 89	4.4 out of 5 stars 192	4.5 out of 5 stars 175	4.4 out of 5 stars 12	4.8 out of 5 stars 25
Price	$11.99$11.99	$18.04$18.04	$11.99$11.99	$7.99$7.99	$25.99$25.99	$12.99$12.99	$11.99$11.99
Material	Brass	Stainless Steel	Brass	Solid Aluminum Alloy,	Stainless Steel	Brass	Brass
Size	1 NPT	3/4'' NPT	3/4 NPT	3/4 NPT	1-1/2'' NPT	3/4'' NPT	1/2 NPT
Maximum working pressure	797 PSI	800 PSI	797 PSI	217 PSI	800 PSI	725 PSI	725 PSI
Application	tanks, air compressors	tanks, air compressors	tanks, air compressors	tanks, air compressors	tanks, air compressors	tanks, air compressors	tanks, air compressors
Seller Service	✔	✔	✔	✔	✔	✔	✔

Specifications

Weight: 200gr
Usage: Indoor & outdoor

Pros and cons

Sustainably produced
Ideal for everyday use
May discolor in direct sunlight

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Returns & Delivery

When will my order be delivered?

We ship worldwide. Your order will be packaged really carefully and delivered wherever you want. Delivery takes between 2-4 business days. You will receive an e-mail after ordering with more information about the delivery.

Can I return my product?

Orders can be returned or exchanged within 30 days of receiving the parcel, providing they are in original resalable condition.

What can I do if my item (or part of it) is damaged?

We work hard to deliver your items without damage. Orders can be returned or exchanged within 30 days of receiving the parcel, providing they are in original resalable condition.