Crosman MKI piercin...
 

Crosman MKI piercing assy o-ring.  

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KW
 KW
(@kw)
Joined: 1 year ago
Posts: 150
March 22, 2019 11:55  

Looking for the ring number for a URETHANE ring for the piercing assembly.

Neither BUNA nor neoprene nor silicone material work for this CO2 application.  

Looking for the urethane ring number.

Just got tired of chasing the o-ring store search features.  

I think dimensions are 1/2" ID x 11/16" OD x 3/32" CS.  That is a 568-112 in silicone, but not the same in urethane.  Need urethane number.

TIA

K

EXPERIENCE, n. The wisdom that enables us to recognize as an undesirable old acquaintance the folly that we have already embraced.


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Tvanpool
(@tvanpool)
Joined: 1 year ago
Posts: 58

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WyoMan
(@wyo)
Joined: 1 year ago
Posts: 16
March 22, 2019 20:37  

Hi KW, if you're talking about the o-ring that seals to the i.d. of the cartridge housing, then I believe that would be a -113. A -112 has a smaller o.d. than the cartridge itself (.693" vs. .735")... just guessing... don't have an MK.

I use these for my Crosman 600s:

https://www.theoringstore.com/index.php?main_page=product_info&cPath=367_1321_1324&products_id=27507&zenid=573a22768f03bec3fb3a8e8f9d319e59

I don't mind spending the extra nickel, leaks take away shooting time... hth

Wyo


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