42312D240

Comprehensive specifications and application details for: 42312D240 Thrust Washer Bearing.

Summary

Explore detailed summary information for bearing: 42312D240. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
42312D240
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-128-1609
Item Name Code
13211
Federal Item Identification Guide
A045A0
Assigment Date
03/18/1982

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.

round center hole shape style, 34.0 rockwell c minimum and 38.0 rockwell c maximum overall hardness rating, 0.7880 inches minimum and 0.7930 inches maximum diameter, rectangular cross-sectional shape style, square all corners corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-128-1609 . Find dimensions, materials, tolerances, performance characteristics, etc.

Center Hole Shape Style
round
Corner Shape
square all corners
Cross-Sectional Shape Style
rectangular
Diameter
0.7880 inches minimum and 0.7930 inches maximum
Hardness Rating
34.0 rockwell c minimum and 38.0 rockwell c maximum overall
Lubrication Feature
groove inside diameter surface of body
Outside Diameter
1.0600 inches minimum and 1.0800 inches maximum
Overall Thickness
0.1260 inches minimum and 0.1280 inches maximum
Material
steel comp e4340 and steel comp 4140 overall
Special Features
with four 0.0470 in. min,0.0510 in. max dia holes not on bearing surface
Style Designator
round
Surface Finish
250.0 microinches largest outside diameter
Surface Finish
250.0 microinches inside diameter surface of body
Surface Finish
63.0 microinches left side
Surface Finish
63.0 microinches right side
Test Data Document
"76301-ps-21201 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: 42312D240. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-128-1609?
The FSCG of the NSN 3120-01-128-1609 is 3120
Does the NSN 3120-01-128-1609 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105008
Does NSN 3120-01-128-1609 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 3120-01-128-1609 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-128-1609 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 3120-01-128-1609 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Thu, Mar 18, 1982

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