4820-00-781-4656 DISK,VALVE Index 3040-00-781-4658 CYLINDER ASSEMBLY,ACTUATING,LINE

National Stock Number:
5365-00-781-4657

Federal Supply Class:
5365

National Item Identification Number:
007814657

Description:
SPACER,RING

Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.


Manufacturer Information:
2473640KDP7KIDDE-FENWAL, INC.
24736416004DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC
24736458163MEGGITT (NORTH HOLLYWOOD), INC.
K24736416004DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC


Techincal Specification:
HARDNESS RATING38.0 ROCKWELL C MINIMUM
INSIDE DIAMETER0.849 INCHES MINIMUM AND 0.851 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5568,COND A ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 631
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.929 INCHES MINIMUM AND 0.932 INCHES MAXIMUM
SPECIAL FEATURESNO PLATING ON ID
SURFACE TREATMENTCOPPER


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