B4-6

Comprehensive specifications and application details for: B4-6 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: B4-6. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
B4-6
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-304-9593
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
07/28/1989

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.

0.0290 inches minimum and 0.0310 inches maximum flange width, square all corners corner shape, 0.1252 inches minimum and 0.1254 inches maximum body inside diameter, 0.4170 inches minimum and 0.4270 inches maximum flange outside diameter, 0.3749 inches minimum and 0.3751 inches maximum body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-304-9593 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.1252 inches minimum and 0.1254 inches maximum
Body Outside Diameter
0.3749 inches minimum and 0.3751 inches maximum
Corner Shape
square all corners
Flange Outside Diameter
0.4170 inches minimum and 0.4270 inches maximum
Flange Width
0.0290 inches minimum and 0.0310 inches maximum
Overall Length
0.1350 inches minimum and 0.1400 inches maximum
Material Document And Classification
mil-b-5687 mil spec single material response overall
Material
copper alloy 841 overall
Material
oil lubricating lubrication
Style Designator
solid, external flange one end

Frequently Asked Questions

Find quick answers to common questions about bearing: B4-6. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-304-9593?
The FSCG of the NSN 3120-01-304-9593 is 3120
Does the NSN 3120-01-304-9593 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-01-304-9593 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 3120-01-304-9593 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-304-9593 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 3120-01-304-9593 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Fri, Jul 28, 1989

Price & Availability

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Plain Bearing Unit