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Thread taper-lubricating nipple M101A1 from 1953

Sezzo

Well-known member
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63
Location
Bamberg (Germany)
Does anyone know the exact thread size of the taper-lubricating nipples on a M101A1 from 1953. Two of them need to be replaced on my trailer.

Thank you in advance.

Best regards
 

frank8003

In Memorial
In Memorial
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Ft. Lauderdale, Florida
The patent 1697217 for the Zerk fitting was granted to Oscar U. Zerk in January 1929, (01011929) and the assignee was the Alemite Manufacturing Corporation[1] (thus the eponymous names for the fittings). Alemite had already been marketing, since 1919,[2] ball check valves to accept grease supplied under pressure from a grease gun, such as for car and truck chassis lubrication points, both for OEM installations and for aftermarket upgrade kits which would screw in as replacements for stock grease cups, but Zerk's fitting was an improved style, less vulnerable to dirt and more forgiving of angled approach. Today, many companies make these grease fittings.
https://greaseextensionhoses.com/grease-fitting-thread-identification/
 
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