4820-00-428-0998 VALVE,GLOBE Index 4820-00-428-1001 NEEDLE,VALVE

National Stock Number:
3120-00-428-1000

Federal Supply Class:
3120

National Item Identification Number:
004281000

Description:
BEARING,WASHER,THRUST

Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.


Manufacturer Information:
3500355-21RDZ1BE AEROSPACE CONSUMABLES MANAGEMENT DBA CONSUMABLES SOLUTIONS DIV CONSUMABLES SOLUTIONS
3500355-259364HONEYWELL INTERNATIONAL INC.
3500355-299193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPECHAMFERED FIRST OUTSIDE CORNER
CORNER SHAPECHAMFERED SECOND INSIDE CORNER
CORNER SHAPESQUARE FIRST INSIDE CORNER
CORNER SHAPESQUARE SECOND OUTSIDE CORNER
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DIAMETER0.4750 INCHES MINIMUM AND 0.4900 INCHES MAXIMUM
HARDNESS RATING50.0 ROCKWELL C NOMINAL OVERALL
OVERALL THICKNESS0.1280 INCHES MINIMUM AND 0.1320 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL
OUTSIDE DIAMETER0.9300 INCHES MINIMUM AND 0.9700 INCHES MAXIMUM
STYLE DESIGNATORROUND
SURFACE CONDITIONGROUND


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