4320-00-806-2174 PUMP,RECIPROCATING,DIRECT ACTING Index 4720-00-806-2183 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5365-00-806-2180

Federal Supply Class:
5365

National Item Identification Number:
008062180

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:
114D2060-277272THE BOEING COMPANY
114D2060-281205THE BOEING COMPANY


Techincal Specification:
INSIDE DIAMETER3.554 INCHES NOMINAL
OUTSIDE DIAMETER3.823 INCHES NOMINAL
OVERALL THICKNESS0.090 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
SURFACE FINISH125.0 MICROINCHES BORE
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH125.0 MICROINCHES LEFT SIDE
SURFACE FINISH125.0 MICROINCHES RIGHT SIDE


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