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National Stock Number:
3040-01-302-7784
Federal Supply Class:
3040
National Item Identification Number:
013027784
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:
| 425250-1 | 2V343 | APEX MANUFACTURING COMPANY, INC. | | 425250-1 | 75370 | KAYDON RING & SEAL INC | | 425250-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | SPECIAL FEATURES | THE ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL SERIOUS INJURY OR DEATH TO PERSONNEL |
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