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National Stock Number: 3040-00-363-5439
Federal Supply Class: 3040
National Item Identification Number: 003635439
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:
2520003635439 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | 2520003635439 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | M1904AA T0 1904AZ | 61208 | TWIN DISC, INCORPORATED | M1904AA TO 1904AZ | 61208 | TWIN DISC, INCORPORATED | 619131C1 | 61849 | SIMMONS-RAND CO | 619131C1 | 92679 | NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ | M1904AG | 61208 | TWIN DISC, INCORPORATED | M1904AG | U2621 | MARINE & INDUSTRIAL TRANSMISSIONS LT |
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Techincal Specification:
CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | JOINT STYLE | INTERLOCKING JOINT | OVERALL WIDTH | 0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM | MATERIAL | IRON OVERALL | RADIAL WALL THICKNESS | 0.1170 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM | RING STYLE | CONCENTRIC | STANDARD BORE DIAMETER | 2.750 INCHES |
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