1620-00-394-2248 FOLLOWER Index 4730-00-394-2251 PLUG,PISTON

National Stock Number:
5365-00-394-2250

Federal Supply Class:
5365

National Item Identification Number:
003942250

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:
8858A613002GOODRICH CORPORATION
8858A66K4C8GOODRICH CORPORATION


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 2024
SURFACE FINISH250.0 MICROINCHES BORE
SURFACE FINISH250.0 MICROINCHES LEFT SIDE
SURFACE FINISH250.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH40.0 MICROINCHES RIGHT SIDE
SURFACE TREATMENTANODIZE
OVERALL THICKNESS0.195 INCHES NOMINAL
OUTSIDE DIAMETER5.875 INCHES NOMINAL
INSIDE DIAMETER5.0151 INCHES NOMINAL


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