Thrust Washer Bearing

4719-4C2-16

4719-4C2-16
(NSN) National Stock Number
3120-00-021-3831
Federal Supply Classification
3120 Unmounted Plain Bearings
Item Name Code
13211
Schedule B Code
8482105008
Summary

Rectangular cross-sectional shape style, 2.1250 inches nominal outside diameter, round center hole shape style, 0.8900 inches nominal diameter, 0.3750 inches nominal overall thickness, square all corners corner shape

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
9 - - KZ
Identification

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.

INC FIIG Concept Condition
13211 A045A0 - 1
Specifications
Cross-Sectional Shape Style
rectangular
Details The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
Outside Diameter
2.1250 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
Center Hole Shape Style
round
Details The style designation indicating the configuration that most nearly corresponds to the shape of the center hole.
Diameter
0.8900 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.
Overall Thickness
0.3750 inches nominal
Details An overall measurement of the smallest dimension of an item,in distinction from length or width.
Corner Shape
square all corners
Details The physical configuration of the corner.
Material
copper alloy 932 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
sae assn std single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Condition
ground
Details The condition of the item with respect to the texture of the surface.
Style Designator
round
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
58890 - P -
RVC WCC TCC SHC
- 742 Z 9

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Manufacturer
DOVER CORP ELEVATOR DIV
CAGE: 33456
MEMPHIS , TN , 38101-2177
UNITED STATES
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FAQs
Frequently asked questions for NSN 3120-00-021-3831
What is the NIIN of the NSN 3120-00-021-3831?
The National Item Identification Number (NIIN) of the NSN 3120-00-021-3831 is 00-021-3831
When the NSN 3120-00-021-3831 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, May 10, 1968
Does the NSN 3120-00-021-3831 contain any precious metals?
Type/content is unknown
Does the NSN 3120-00-021-3831 contain any hazardous material?
No data in HMIRS

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