5310-00-479-4231 WASHER,FLAT Index 4320-00-479-4240 BUTTON,PUMP

National Stock Number:
5365-00-479-4239

Federal Supply Class:
5365

National Item Identification Number:
004794239

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:
7333413-799971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS
757008499971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS
7570084P199971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS


Techincal Specification:
INSIDE DIAMETER2.150 INCHES NOMINAL
OUTSIDE DIAMETER2.247 INCHES MINIMUM AND 2.249 INCHES MAXIMUM
OVERALL THICKNESS0.136 INCHES MINIMUM AND 0.137 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 416


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