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 |
|---|---|
| 09257 | TRELLEBORG SEALING SOLUTIONS US INC. |
Federal Supply Class
Title
MISCELLANEOUS POWER TRANSMISSION
Inclusions:
INCLUDES SHAFTS AND SHAFTING; COLLARS; GEARSHAFTS; BALL JOINTS; ACTUATING CYLINDERS.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ACXD | RING STYLE | CONCENTRIC |
| ACXD | RING STYLE | CONCENTRIC |
| ACXL | PIN HOLE STYLE | ROUND PINHOLE LEFT OF JOINT |
| ACXJ | OVERALL WIDTH | 0.0600 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ZZ-53-09257 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE |
| ADTE | JOINT STYLE | STEP JOINT |
| ACXU | PINHOLE DIAMETER | 0.046 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| CRNR | DISTANCE FROM PIN HOLE CENTER TO EDGE | 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| CQKZ | OIL PASSAGE TYPE AND QUANTITY | 1 HOLE HORIZONTALLY THROUGH RING |
| MATT | MATERIAL | PLASTIC OVERALL |
| ACXF | RADIAL WALL THICKNESS | 0.1870 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | PASSIVATE INSIDE PERIPHERY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,COND HARD MIL SPEC SINGLE MATERIAL RESPONSE INSERT |
| ACXZ | STANDARD BORE DIAMETER | 2.245 INCHES |
| MATT | MATERIAL | STEEL COMP 301 INSERT |
| ZZZV | FSC APPLICATION DATA | HYDRAULIC SYSTEM,ACFT |