DREF4-321-1 Rod End Plain Bearing

Comprehensive specifications and application details for: DREF4-321-1 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: DREF4-321-1. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: DREF4-321-1
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-998-5052
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 12/04/1967

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.

1.3020 inches minimum and 1.3220 inches maximum bore center to shank end distance, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 32.0 rockwell c minimum rod end body hardness rating, 0.3700 inches minimum and 0.3750 inches maximum inner member width, 55.0 rockwell c minimum inner member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-998-5052 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Bore Center To Shank End Distance: 1.3020 inches minimum and 1.3220 inches maximum
Hardness Rating: 32.0 rockwell c minimum rod end body
Hardness Rating: 55.0 rockwell c minimum inner member
Inner Member Width: 0.3700 inches minimum and 0.3750 inches maximum
Inspection Hole Center To End Distance: 0.3750 inches nominal
Overall Length: 1.7020 inches nominal
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 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: 0.2810 inches minimum and 0.2910 inches maximum
Shank Width Across Wrench Flats: 0.5000 inches nominal
Shank Style: internally threaded w/hexagon end and inspection hole
Shank Thread Length: 0.6870 inches nominal
Special Features: construction with or without race optional,magnetic or penetrant inspection required as applicable
Static Radial Load Rating: 4270 pounds
Style Designator: ball type
Surface Treatment: cadmium rod end body
Thread Class: 3b
Thread Diameter: 0.312 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 24
Thread Series Designator: unf

Frequently Asked Questions

Find quick answers to common questions about bearing: DREF4-321-1. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-998-5052?: The FSCG of the NSN 3120-00-998-5052 is 3120

Does the NSN 3120-00-998-5052 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-00-998-5052 require demilitarization?: "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-00-998-5052 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-998-5052 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.