1/4 inch brass oil level sites have standard NPT male pipe threads with Pyrex glass oil level sight gauge supplier

Material Body: Brass

O-Ring: Viton,FKM,NBR, Aramid gasket and Copper seal

Glass Thickness: 2mm to 5 mm

Reflectors: Stainless Steel 304 Reflector

(Any type you can chose with reflector or without Reflector, You also can add float ball.)

Glass Type: Natural Glass,Tempered Glass and Borosilicate Glass

Resist Tempreature Range:-30'C to 120'C

Pressure Range: 5-10 Bar(0.5MPa to 1 MPa).

Thread type:NPT,NPTF,UNC,UNF,Metric and BSP(G thread)

Size: Below you will get the size you wanted.Another size is okay.OEM are welcome.

Usage: Pump,Oil Receivers,Gearboxes,Speed Reducer,Compressor and Power Transimission.

Please contact us for checking our stocks and confirming the specifications.

Grand Hardware Manufacturing Co., Ltd &Yuhuan Yize Machinery Factory

 is Precision metal parts supplier.
--Professional OEM parts supplier in many categories such as CNC machining parts, CNC turned parts, metal precision parts, stamping parts and punching parts.

--Especially professional in GrandMfg® oil level sight glass, fused windows sights, breather vent plugs and hydraulic oil drain plugs.

--We focus on the below business:
1.High gloss cutting drill, high speed CNC and digital control processing.
2. Both metal and plastic piece parts laser radium carving.
3. Exterior parts stamping, processing and other piece parts machining.
4. Pieces of exterior anodizing, wiring drawing and printing and other surface treatments
5.+/-0.01mm tolerance will be controlled.
--We supply the metal parts in compliance with customized designs by material of: Stainless steel, mid steel, Aluminum alloy, Copper and brass, Bronze, Hardened metal
--Finish parts surface treatment: Zinc plating, Zinc-Nickel plating, Anodizing and Etc.

--We can realize the customers' idea and design perfectly by our experienced work and keep confidentially meanwhile.
--Customized drawings are welcome.
--OEM metal work is welcome.
--Both the delivery time and service will exceed your expectation.

Please contact us for more details about our production capacity which you concern. More information, please feel free to send me mail.

Thank you

Tony Liu