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O.S. - OSMG6991 OSM22681957 22681957 531028105591 4531028105591
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O.S. Nipple #7 FS-52 Supass
O.S. Nipple #7 FS-52 Supass
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O.S. Nipple #7 FS-52 Supass Add to Wish List
4.38  Buy Now .20  
O.S. Nipple #7 FS-52 Supass Add to Wish List
6.54  Buy Now .33  
O.S. Nipple #7 FS-52 Supass Add to Wish List
10.85  Buy Now .60  

Regularly Purchased Together
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Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.
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Tech Notes
This is the Replacement Fuel Inlet Nipple for many OS Max Engines.


Chrome finish


One nipple (pressure fitting)


Length: 14mm (.55")
Nipple Diameter, at widest point: 4.4mm (.173")
Thread Size: 3.5mm
Pitch is .6mm coarse threading
Threading length is 5mm thread length


This part is used as a pressure fitting on the #871 muffler and the
FS-52 silencer.

NNA 12/23/01

– If you need more information, use these O.S. resources –
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
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