6640-01-500-8779 VIEW,AGGLUTINATION,TEST TUBE Index 4730-01-500-8781 ELBOW,TUBE TO BOSS

National Stock Number:
5365-01-500-8780

Federal Supply Class:
5365

National Item Identification Number:
015008780

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:
169-698532453711NAVAL SEA SYSTEMS COMMAND
169-6985324-1553711NAVAL SEA SYSTEMS COMMAND
H545-4001-1596169ELECTRIC BOAT CORPORATION


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONAASTM D-1710 TY-1 GR-1 ASSN STD ALL MATERIAL RESPONSES
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.500 INCHES NOMINAL
SPECIAL FEATURESEXPORT CONTROL DWG NOT TO BE RELEASED OUTSIDE USA


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