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National Stock Number:
1620-01-248-5167
Federal Supply Class:
1620
National Item Identification Number:
012485167
Description:
RING,PISTON
Detail:
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.
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Manufacturer Information:
| 68A412708 | 76301 | THE BOEING COMPANY | | 68A412708-2001 | 13002 | GOODRICH CORPORATION | | 68A412708-2001 | 1DDX0 | MACHINE SPECIALTIES, LLC | | 68A412708-2001 | 31788 | CUMMINS AEROSPACE, LLC | | 68A412708-2001 | 32168 | ALL TOOLS INC. DBA E2 PRECISION PRODUCTS | | 68A412708-2001 | 36164 | HEROUX-DEVTEK INC. | | 68A412708-2001 | 40137 | J SMITH MACHINE SHOP INC DBA ISLAND ENGINEERING | | 68A412708-2001 | 50888 | A.G.H. INDUSTRIES, LLC | | 68A412708-2001 | 5ZBP4 | HDI LANDING GEAR USA INC | | 68A412708-2001 | 76301 | THE BOEING COMPANY | | 68A412708-2001 | 98247 | CANADIAN COMMERCIAL CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | CROSS-SECTIONAL SHAPE STYLE | DOUBLE INSIDE COUNTERBORE, STRAIGHT FACE | | JOINT STYLE | DIAGONAL JOINT | | OVERALL WIDTH | 0.2800 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | RADIAL WALL THICKNESS | 0.1730 INCHES NOMINAL | | RING STYLE | CONCENTRIC | | SPECIAL FEATURES | ITEM IS NOT CSI BUT HAS CRITCAL FEATURE SUCH AS MAGNETIC PARTICLE INSP | | STANDARD BORE DIAMETER | 4.938 INCHES |
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