KBN3-38

View detailed technical data, stock status, and sourcing information for: KBN3-38

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KBN3-38
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-126-3037
Item Name Code
13209
Assigment Date
11/22/1968 (57 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

1.3850 inches nominal overall length, internally threaded w/bead and wrench flats and inspection hole shank style, 3b thread class, 0.1895 inches minimum and 0.1915 inches maximum bore diameter, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3b
Thread Direction
right-hand
Shank Style
internally threaded w/bead and wrench flats and inspection hole
Overall Length
1.3850 inches nominal
Bore Diameter
0.1895 inches minimum and 0.1915 inches maximum
Outer Member Outside Diameter
0.6150 inches minimum and 0.6350 inches maximum
Bore Center To Shank End Distance
1.0520 inches minimum and 1.0720 inches maximum
Outer Member Width
0.2450 inches minimum and 0.2550 inches maximum
Inner Member Width
0.3070 inches minimum and 0.3120 inches maximum
Shank Thread Length
0.5620 inches nominal
Inspection Hole Center To End Distance
0.3070 inches minimum and 0.3170 inches maximum
Shank Width Across Wrench Flats
0.4160 inches nominal
Thread Diameter
0.190 inches nominal
Thread Quantity Per Inch
32
Hardness Rating
55.0 rockwell c minimum and 60.0 rockwell c maximum inner member
Hardness Rating
30.0 rockwell c minimum and 40.0 rockwell c maximum rod end body
Material
steel comp 440c inner member
Material
steel comp 630 rod end body
Style Designator
ball type
Thread Series Designator
unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
3120PL0825593 Rod End Plain Bearing
9649M41P03 Rod End Plain Bearing
9649M41P06 Rod End Plain Bearing
9649M41P07 Rod End Plain Bearing
9649M41P08 Rod End Plain Bearing
KBN3-38 Rod End Plain Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-00-126-3037?
The FSCG of the NSN 3120-00-126-3037 is 3120
Does the NSN 3120-00-126-3037 have a Schedule B code assigned?
Yes, the Schedule B code is 8483308055
Does NSN 3120-00-126-3037 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 3120-00-126-3037 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-126-3037 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 3120-00-126-3037 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, Nov 22, 1968

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