5365-00-003-5477 SPACER,RING Index 5365-00-003-5479 SPACER,RING

National Stock Number:
5365-00-003-5478

Federal Supply Class:
5365

National Item Identification Number:
000035478

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:
3-51247-130JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
3-51247-1376823NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
INSIDE DIAMETER3.375 INCHES NOMINAL
OUTSIDE DIAMETER3.730 INCHES MINIMUM AND 3.745 INCHES MAXIMUM
OVERALL THICKNESS0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/2,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 3003


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