5305-01-518-7647 SCREW,MACHINE Index 5999-01-518-7649 STRIP,ELECTRICAL GROUNDING

National Stock Number:
5365-01-518-7648

Federal Supply Class:
5365

National Item Identification Number:
015187648

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:
596-7409234-1353711NAVAL SEA SYSTEMS COMMAND
596-741050353711NAVAL SEA SYSTEMS COMMAND
596-7410503-3453711NAVAL SEA SYSTEMS COMMAND
B434-5216-3496169ELECTRIC BOAT CORPORATION
B434-5220-1396169ELECTRIC BOAT CORPORATION


Techincal Specification:
INSIDE DIAMETER4.880 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CLASS A, FORM 5, COND HF (ANL) FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER6.375 INCHES NOMINAL
OVERALL THICKNESS0.250 INCHES NOMINAL
SPECIAL FEATURESDRAWING IS EXPORT CONTROLLED IS NOT AUTHORIZED TO BE RELEASED OUTSIDE USA. ALL HOLES ARE ON A 5.500 INCH CENTER. 6 HOLES 0.531 THRU, 2 HOLES 0.440 THRU.
SURFACE FINISH125.0 MICROINCHES OVERALL


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