4B19B4-003

Comprehensive specifications and application details for: 4B19B4-003 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 4B19B4-003. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
4B19B4-003
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-686-1953
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
02/02/1968

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

square all corners corner shape, 0.0780 inches minimum and 0.0830 inches maximum overall length, 0.2495 inches minimum and 0.2505 inches maximum body inside diameter, 0.3760 inches minimum and 0.3765 inches maximum body outside diameter, copper alloy 642 overall material

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-686-1953 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.2495 inches minimum and 0.2505 inches maximum
Body Outside Diameter
0.3760 inches minimum and 0.3765 inches maximum
Corner Shape
square all corners
Overall Length
0.0780 inches minimum and 0.0830 inches maximum
Material
copper alloy 642 overall
Style Designator
solid, plain, no outside flanges
Surface Finish
125.0 microinches overall
Surface Treatment
cadmium left end surface of body
Surface Treatment
cadmium outside diameter surface of body
Surface Treatment
cadmium right end surface of body

Frequently Asked Questions

Find quick answers to common questions about bearing: 4B19B4-003. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-686-1953?
The FSCG of the NSN 3120-00-686-1953 is 3120
Does the NSN 3120-00-686-1953 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-686-1953 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 3120-00-686-1953 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-686-1953 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 3120-00-686-1953 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, Feb 2, 1968

Price & Availability

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