A-A-59567/3
TABLE III. PIN codes for class AA, style, thread, and clamp.
Class AA
Thread
coupling
Style
type
PIN code
7W
Expansion ring
NH
7X
Expansion ring
NPSH
Expansion ring
7Y
NH
handles on both
Expansion ring
7Z
NPSH
handles on both
Materials. Rocker lug couplings shall be cast or machined from, copper alloy (brass), corrosion resistant
steel, or steel, see table IV.
TABLE IV. Material types and designator.
Material
Material
Plating
designator
B
Copper alloy (brass)
---
R
CRES
---
S
Steel
Zinc
FIGURE 1. Style 7 coupling.
NOTE: For dimensions F and G reference A-A-59614/7.
FIGURE 2. Expansion ring.
NOTES.
PIN. The PIN should be used for Government purposes to buy commercial products to this CID.
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