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ANSI/ASME B18.27-1998
Tapered and Reduced Cross Section Retaining Rings (Inch Series) [with Addenda B18.27a-1999 & B18.27b-2000 included]
This Standard covers general and dimensional data for the following general purpose tapered and reduced cross section retaining rings:
a) External Type NA1, Internal Type NA2, and E-Ring Type NA3
b) Heavy Duty External Type NA4, Reinforced E-Rings NA5, C-Rings Type NA6
c) Bowed External Rings NA7, Bowed Internal Rings NA8, Bowed External E-Rings NA9
d) Inverted External Type NA10, Inverted Internal Type NA11, Beveled External Type NA12, Beveled Internal Type NA13
e) External Self-Locking Rings Type NA14, External Interlocking rings Type NA15, External Bowed Locking Prongs Rings Type NA16
The data my used with the nominal size shafts and housings listed and in grooves of the recommended dimensions listed herein. Also included are formulas and tolerances on which dimensional data are based. Three appendices include guidance for assembly and recommended standard drawing formats.
The inclusion of dimensional data in this Standard in not intended to imply that all of the products described are stock productions sizes. Consumers should consult with suppliers concerning lists of stock production sizes.
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American Society of Mechanical Engineers [asme]