K4-1968 Rod End Plain Bearing

Comprehensive specifications and application details for: K4-1968 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: K4-1968. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: K4-1968
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-204-4741
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 04/08/1973

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.

38.0 rockwell c nominal race insert hardness rating, 40.0 rockwell c minimum and 45.0 rockwell c maximum rod end body hardness rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 56.0 rockwell c nominal inner member hardness rating, 1.3900 inches minimum and 1.4100 inches maximum bore center to shank end distance

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-204-4741 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Bore Center To Shank End Distance: 1.3900 inches minimum and 1.4100 inches maximum
Hardness Rating: 38.0 rockwell c nominal race insert
Hardness Rating: 40.0 rockwell c minimum and 45.0 rockwell c maximum rod end body
Hardness Rating: 56.0 rockwell c nominal inner member
Inner Member Width: 0.4350 inches minimum and 0.4370 inches maximum
Overall Length: 1.7755 inches minimum and 1.8180 inches maximum
Material: steel comp 440c inner member
Material: steel corrosion resisting internal rod end body
Material: steel corrosion resisting race insert
Outer Member Outside Diameter: 0.7710 inches minimum and 0.8160 inches maximum
Outer Member Width: 0.3320 inches minimum and 0.3420 inches maximum
Shank Style: externally threaded
Shank Thread Length: 0.8100 inches minimum and 0.9000 inches maximum
Static Radial Load Rating: 5000 pounds
Special Features: std nas keyway in shank,0.0005 in. min 0.0015 in. max diametral clearance
Style Designator: ball type
Surface Treatment: chromium inner member
Thread Class: 3a
Thread Diameter: 0.312 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 24
Thread Series Designator: unf

Replaces

The NSN 3120-00-204-4741 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-450-7407	No Name Available	10/01/1983

Frequently Asked Questions

Find quick answers to common questions about bearing: K4-1968. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-204-4741?: The FSCG of the NSN 3120-00-204-4741 is 3120

Does the NSN 3120-00-204-4741 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-00-204-4741 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 3120-00-204-4741 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-204-4741 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.