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NSN: 4820-00-001-6181
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Part Numbers

Item Number Item Description
206A Piston, Valve
V-281 Piston, Valve
206B Piston, Valve

Master Requirement Codes

Code Translation
CBBL Those features, not otherwise specified, which may be required for proper functioning of the item.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
ABHE The length of a straight line which passes through the center of an item, and terminates at the outside circumference.
ABHP The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
CYDX The commercial and government entity (cage) code of the government agency, industrial organization, or other entity, which controls the design of the valve.

206B Valve Piston

Cage 23724

Technical Definition

Piston, Valve, also referenced with federal logistics item name code 36944 - A cylindrical item of various configurations which reciprocates in a valve body, assisting in the movement of the disk to open or close a valve. may include additional components such as ring(s), collar(s), spring(s) and the like. excludes disk, valve.

Technical Characteristics

Features Provided (CBBL):
Material (MATT):
Copper alloy
Outside Diameter (ABHE):
0.4982 inches minimum and 0.4985 inches maximum
Overall Length (ABHP):
1.531 inches nominal
Valve Design Control Activity (CYDX):

National Stock Number (NSN)