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 |
---|---|
23587 | FRICK CO |
Federal Supply Class
Title
COMPRESSORS AND VACUUM PUMPS
Inclusions:
INCLUDES TRUCK MOUNTED AND TRAILER MOUNTED COMPRESSORS.
Exclusions:
EXCLUDES REFRIGERATION COMPRESSORS (FSC 4130).
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
ACXD | RING STYLE | CONCENTRIC |
ACXZ | STANDARD BORE DIAMETER | 7.000 INCHES |
ADTE | JOINT STYLE | STEP JOINT |
MATT | MATERIAL | STEEL OVERALL |
ACXQ | PIN HOLE SLOT LENGTH | 0.140 INCHES NOMINAL |
CQKZ | OIL PASSAGE TYPE AND QUANTITY | 8 SLOT HORIZONTALLY THROUGH RING |
ACXR | RING WIDTH PIN HOLE DEPTH | 0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
AAGR | CROSS-SECTIONAL SHAPE STYLE | BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL |
SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
ACXF | RADIAL WALL THICKNESS | 0.2550 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM |
CQKZ | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE OUTSIDE PERIPHERY |
ACXL | PIN HOLE STYLE | HALF ROUND PINHOLE AT JOINT |
ACXJ | OVERALL WIDTH | 0.4970 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM |