what size is the green o ring? where can i buy replacements?

I really don't know. But, I assume the o-ring size would be 8mm.

Whats the wight ring for an were it gose on this fill Adapter

Dear friend, thank you for your question, the white O-Ring is the Sealing Ring, which can be put in when one end of the Male Thread is connected to the Female Thread, which can effectively prevent air leakage. Please feel free to contact us if you need any other assistance.

what size are the green orings? where can i buy more?

Dear friend, Thanks for the question, The size of the check valve Sealing O-ring: outer diameter 5.5mm, inner diameter 2.5mm, thickness 1.5mm.If you need any help from us, please contact us in time. Best regards.

1/8 npt should be 1/8 x 27 pipe thread pitch?

Yes national pipe thread is 1/8x27 npt.

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8mm Quick-Disconnect Plug Adapter, Stainless Steel 1/8" NPT Male Thread PCP Paintball Charging Fittings with Sealing O-Ring

Product ID: 306060099

Details

Brand
HMKUGO
Color
1/8 NPT
Connector Type
Adapter
Exterior Finish
Stainless
Manufacturer
AIKUGO
Material
Stainless

💨Rated to 3000 PSI, max 4500 PSI pressure

🔩1/8" NPT Male Thread precision fit

🛡️Stainless Steel, corrosion-resistant durability

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₩22502

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In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡️ Snap, Seal, and Play: The Ultimate Quick-Disconnect Adapter for High-Pressure Pros

LEAK PROOF CONFIDENCE - Includes sealing O-ring washer for airtight, reliable performance every time.
UNIVERSAL COMPATIBILITY - Perfect for PCP airsoft, paintball, SCBA tanks, and high-pressure hose setups.
PRECISION ENGINEERED FIT - NC machined for flawless 8mm to 1/8" NPT connection—no leaks, no fuss.
EFFORTLESS QUICK DISCONNECT - Seamlessly switch air tanks or fill paintball bottles with a simple snap.
BUILT TO LAST UNDER PRESSURE - Stainless steel construction withstands up to 4500 PSI and 1000℃ heat resistance.

The HMKUGO 8mm Quick-Disconnect Plug Adapter is a stainless steel, 1/8" NPT male thread fitting designed for high-pressure applications up to 4500 PSI. Featuring precision NC machining and a sealing O-ring, it ensures leak-free connections ideal for PCP paintball charging, airsoft, and SCBA tanks. Compact and durable, it’s a must-have for professionals demanding reliable, quick-connect solutions.

Specifications

ASIN	B08ZN97V2C
Best Sellers Rank	#88,690 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #8 in Paintball Replacement Parts
Brand Name	HMKUGO
Color	1/8 NPT
Connector Type	Adapter
Customer Reviews	4.4 4.4 out of 5 stars (162)
Exterior Finish	Stainless Steel
Manufacturer	AIKUGO
Material Type	Stainless Steel
Number of Pieces	1
Size	1/8 Inch
Thread Size	0.125 inch
Thread Type	NPT
UPC	782947132296
Unit Count	1.0 Count

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