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Home / Products / Metal Fittings / ORB O-Ring Boss Fittings
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Metal Fittings SAE J1926 / ISO 11204

ORB O-Ring Boss Fittings

SKU: QY-FORB · 8 sizes available

ORB (O-Ring Boss) straight-thread fittings — compact, leak-free connection for mobile and industrial hydraulics.

$0.80 /piece
From $0.80/piece MOQ 50 piece
Quantity (piece)Unit Price
50–199 piece $1.00/piece
200–999 piece $0.90/piece
1,000+ piece $0.80/piece Best
Minimum order: 50 piece. Higher quantity = lower unit price.
ⓘ Estimated unit price: $1.00/piece · This is an estimate — final pricing is confirmed in your quote.
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Product description

ORB (O-Ring Boss) fittings combine straight UN/UNF threads with an O-ring seal. The male fitting screws into a female port until the O-ring at the base of the threads compresses into a machined chamfer on the port, creating a leak-free seal. Shares thread specifications with JIC, differing only in sealing method and application. Extensively used in mobile hydraulic equipment and industrial applications where space constraints require compact fittings with reliable sealing.

Dash Size & parameters

Dash Size Thread Port WP (psi) O-ring Dash
-4 7/16-20 5000 -904
-6 9/16-18 5000 -906
-8 3/4-16 5000 -908
-10 7/8-14 5000 -910
-12 1-1/16-12 5000 -912
-16 1-5/16-12 5000 -916
-20 1-11/16-12 5000 -920
-24 1-7/8-16 5000 -924

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