K641246-11

Comprehensive specifications and application details for: K641246-11 Thrust Washer Bearing.

Summary

Explore detailed summary information for bearing: K641246-11. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
K641246-11
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-159-8596
Item Name Code
13211
Federal Item Identification Guide
A045A0
Assigment Date
08/21/1972

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.

square first inside corner corner shape, square first outside corner corner shape, square fourth outside corner corner shape, square second inside corner corner shape, round center hole shape style

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-159-8596 . Find dimensions, materials, tolerances, performance characteristics, etc.

Center Hole Shape Style
round
Corner Shape
square first inside corner
Corner Shape
square first outside corner
Corner Shape
square fourth outside corner
Corner Shape
square second inside corner
Corner Shape
square second outside corner
Corner Shape
square third outside corner
Cross-Sectional Shape Style
shouldered
Diameter
3.3440 inches nominal
Flange Thickness
0.1550 inches minimum and 0.1570 inches maximum
Hardness Rating
90.0 rockwell b nominal overall
Outside Diameter
3.7500 inches nominal
Overall Thickness
0.5000 inches nominal
Material Document And Classification
ams 4640 assn std single material response overall
Material
copper alloy 630 overall
Shank Outside Diameter
3.5022 inches minimum and 3.5030 inches maximum
Style Designator
round
Surface Finish
32.0 microinches left side
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
Surface Treatment
cadmium and chromate overall
Test Data Document
"84955-ckps212 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Frequently Asked Questions

Find quick answers to common questions about bearing: K641246-11. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-159-8596?
The FSCG of the NSN 3120-00-159-8596 is 3120
Does the NSN 3120-00-159-8596 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105008
Does NSN 3120-00-159-8596 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3120-00-159-8596 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-159-8596 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3120-00-159-8596 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Mon, Aug 21, 1972

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