3120-01-042-1881

Comprehensive specifications and application details for NSN: 3120-01-042-1881.

Summary

Explore detailed summary information for bearing: 3120-01-042-1881. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-042-1881
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
06/07/1977

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

33.0 rockwell c minimum and 37.0 rockwell c maximum overall hardness rating, 0.3735 inches minimum and 0.3743 inches maximum body outside diameter, 0.2500 inches nominal body inside diameter, 0.4600 inches minimum and 0.4650 inches maximum overall length, square all corners corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-042-1881 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.2500 inches nominal
Body Outside Diameter
0.3735 inches minimum and 0.3743 inches maximum
Corner Shape
square all corners
Hardness Rating
33.0 rockwell c minimum and 37.0 rockwell c maximum overall
Overall Length
0.4600 inches minimum and 0.4650 inches maximum
Material
steel comp 4340 overall
Style Designator
solid, plain, no outside flanges
Surface Finish
125.0 microinches inside diameter surface of body
Surface Finish
125.0 microinches left end surface of body
Surface Finish
125.0 microinches right end surface of body
Surface Finish
63.0 microinches outside diameter surface of body
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Surface Treatment
cadmium overall
Test Data Document
"81349-mil-i-6868 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: 3120-01-042-1881. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-042-1881?
The FSCG of the NSN 3120-01-042-1881 is 3120
Does the NSN 3120-01-042-1881 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-01-042-1881 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 3120-01-042-1881 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-042-1881 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 3120-01-042-1881 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Tue, Jun 7, 1977

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