4720-01-353-2957 TUBING,NONMETALLIC Index 5905-01-353-2959 RESISTOR,THERMAL

National Stock Number:
2810-01-353-2958

Federal Supply Class:
2810

National Item Identification Number:
013532958

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.


Manufacturer Information:
96003707128TRELLEBORG SEALING SOLUTIONS EL SEGUNDO, INC.
96003709257TRELLEBORG SEALING SOLUTIONS US, INC.
960037-2159211PARKER-HANNIFIN CORPORATION
960037-2182106PARKER-HANNIFIN CORPORATION
960037-2193835PARKER-HANNIFIN CORP


Techincal Specification:
DISTANCE FROM PIN HOLE CENTER TO EDGE0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
DISTANCE FROM PIN HOLE CENTERLINE TO RING JOINT CENTERLINE0.654 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE, W/EXPANDER
JOINT STYLESTEP JOINT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE TOP
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE EXPANDER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE TOP
MATERIALSTEEL COMP 301 EXPANDER OR STEEL COMP 631 EXPANDER
PIN HOLE STYLEROUND PINHOLE LEFT OF JOINT
PINHOLE DIAMETER0.046 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
PROPRIETARY CHARACTERISTICSPACS
OVERALL WIDTH0.0590 INCHES MINIMUM AND 0.0610 INCHES MAXIMUM
RADIAL WALL THICKNESS0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER1.307 INCHES
SURFACE TREATMENTPASSIVATE EXPANDER


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