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Part Number

Part Number:
NSN:
NIIN:
Item Name:
RING , PISTON

Definition:

A CIRCULAR, SINGLE OR MULTIPIECE ITEM, METALLIC OR NONMETALLIC IN COMPOSITION, DESIGNED TO BE FITTED IN A CIRCUMFERENTIAL GROOVE IN A PISTON AND TO SPRING OUTWARD AGAINST THE CYLINDER WALL TO FUNCTION AS A SEAL OR WIPER. IT IS SUPPLIED IN VARIOUS CROSS-SECTIONAL SHAPES AND IS CUT THROUGH AT ONE POINT TO ALLOW FOR INSTALLATION IN THE PISTON RING GROOVE. IT MAY INCLUDE AN EXPANDER. EXCLUDES PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; AND SEAL RING, METAL.

CAGE Information

Code Company
10391 CLINTON ENGINES CORP

Federal Supply Class

Title

AIRCRAFT LANDING GEAR COMPONENTS

Inclusions:

INCLUDES SHOCK STRUTS AND COMPONENTS; INSTALLATION ELEMENTS, SUCH AS TORSION BARS, VIBRATION LINKS, DRAG STRUTS; LANDING GEAR TRUNIONS, AXLES AND SHIMMY DAMPENERS; SPECIALLY DESIGNED HYDRAULIC POWER STEERING SYSTEM COMPONENTS.

Exclusions:

EXCLUDES MOUNTING BRACES AND MOUNTING PLATES PERMANENTLY INSTALLED ON AIRCRAFT (FSC 1680); LANDING WHEELS, SKIS, AND FLOATS (FSC 1630); WHEEL BRAKES AND WHEEL BRAKE CYLINDERS (FSC 1630).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ACXD RING STYLE CONCENTRIC
ACXD RING STYLE CONCENTRIC
ADTE JOINT STYLE VERTICAL JOINT
ACXJ OVERALL WIDTH 0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM
ACXZ STANDARD BORE DIAMETER 2.468 INCHES
ZZZV FSC APPLICATION DATA CYLINDER ASSY,LANDING GEAR
AAGR CROSS-SECTIONAL SHAPE STYLE INSIDE BEVEL, UPPER, STRAIGHT FACE
ACXF RADIAL WALL THICKNESS 0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM

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