KB5ESSD6FN

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-811-4289

Item Name Code

13209

Assigment Date

01/01/1962 (64 years ago)

externally threaded shank style, 3b thread class, 0.3120 inches minimum and 0.3140 inches maximum bore diameter, 2.9690 inches nominal overall length, 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: externally threaded
Overall Length: 2.9690 inches nominal
Bore Diameter: 0.3120 inches minimum and 0.3140 inches maximum
Outer Member Outside Diameter: 1.1880 inches nominal
Bore Center To Shank End Distance: 2.3750 inches nominal
Outer Member Width: 0.3320 inches maximum
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Shank Thread Length: 1.4900 inches nominal
Thread Diameter: 0.500 inches nominal
Features Provided: external lubrication fitting
Thread Quantity Per Inch: 20
Hardness Rating: 57.0 rockwell c minimum inner member
Hardness Rating: 26.0 rockwell c minimum rod end body
Lubrication Feature: groove external inner member
Special Features: solid film lubricant on id of race insert and id of inner race member
Material: bronze and aluminum race insert
Material: steel comp 4130 inside diameter surface of body
Material: steel comp e52100 inner member
Surface Treatment: cadmium rod end body
Surface Treatment: chromium inner member
Style Designator: flange 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
51135GDD	Rod End Plain Bearing
5E27FN12	Rod End Plain Bearing
AB5E27FN12	Rod End Plain Bearing
AR5E4FN-12	Rod End Plain Bearing
BACB10A400M2L	Rod End Plain Bearing
BRE5535L	Rod End Plain Bearing
HB5E114	Rod End Plain Bearing
KB5ESSD6FN	Rod End Plain Bearing
MXJ-1-14BFG-2	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-811-4289?

The FSCG of the NSN 3120-00-811-4289 is 3120

Does the NSN 3120-00-811-4289 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-811-4289 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 3120-00-811-4289 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-811-4289 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 3120-00-811-4289 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962