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A 37° flare type end fitting for flexible hose. The AN thread (also A-N) is a particular type of fitting used to connect flexible hoses and rigid metal tubing that carry fluid. It is a US military-derived specification that dates back to World War II and stems from a joint standard agreed upon by the Army Air Corps and Navy, hence AN.
This fitting (also known as a "bungalow fitting" or a "cottage fitting") is a sanitary tee that allows two trap arms to be connected at the same level. A toilet is the main connection, with the option of a right or left-hand outlet to the 3" inlet with a choice of 1-1/2" or 2" in size.
A multiple-use snap-fit usually has a lever or pin to be pushed, in order to undo the snap-fit. However, on a permanent snap-fit there is no lever or pin. Attempting to undo a permanent snap-fit can result in the piece breaking. Some potential problems with being able to undo the snap-fit is hyper-extending it past its breaking point.
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Engineering fits are generally used as part of geometric dimensioning and tolerancing when a part or assembly is designed. In engineering terms, the "fit" is the clearance between two mating parts, and the size of this clearance determines whether the parts can, at one end of the spectrum, move or rotate independently from each other or, at the other end, are temporarily or permanently joined.
The standard for Nominal Pipe Size (often abbreviated NPS, which should not be confused with the abbreviation NPS for the straight thread form standard) is loosely related to the inside diameter of Schedule 40 series of sizes. Because of the pipe wall thickness of Schedule pipe, the actual diameter of the NPT threads is larger than the Nominal ...
ETKA is the official electronic parts catalogue for Volkswagen Group [1] motor vehicles. [2] Launched in 1989, ETKA superseded the older parts books and microfilm-based catalogues. [1]
These and other early online catalog systems tended to closely reflect the card catalogs that they were intended to replace. [2] Using a dedicated terminal or telnet client, users could search a handful of pre-coordinate indexes and browse the resulting display in much the same way they had previously navigated the card catalog.