HM21 Rod End Plain Bearing

Comprehensive specifications and application details for: HM21 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: HM21. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: HM21
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-787-9826
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 03/27/1968

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.

0.2450 inches minimum and 0.2500 inches maximum inner member width, 0.1260 inches minimum and 0.1270 inches maximum bore diameter, 1.2400 inches minimum and 1.2600 inches maximum bore center to shank end distance, 1.4740 inches minimum and 1.4940 inches maximum overall length, 0.4590 inches minimum and 0.4790 inches maximum outer member outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-787-9826 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Center To Shank End Distance: 1.2400 inches minimum and 1.2600 inches maximum
Bore Diameter: 0.1260 inches minimum and 0.1270 inches maximum
Inner Member Width: 0.2450 inches minimum and 0.2500 inches maximum
Overall Length: 1.4740 inches minimum and 1.4940 inches maximum
Outer Member Outside Diameter: 0.4590 inches minimum and 0.4790 inches maximum
Outer Member Width: 0.1820 inches minimum and 0.1920 inches maximum
Shank Style: externally threaded
Shank Thread Length: 0.8750 inches nominal
Style Designator: ball type
Surface Treatment: cadmium rod end body
Thread Class: 3a
Thread Diameter: 0.190 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 32
Thread Series Designator: unf

Frequently Asked Questions

Find quick answers to common questions about bearing: HM21. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-787-9826?: The FSCG of the NSN 3120-00-787-9826 is 3120

Does the NSN 3120-00-787-9826 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-00-787-9826 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 3120-00-787-9826 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-787-9826 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.