HMF12

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-433-4768

Item Name Code

13209

Assigment Date

01/01/1963 (63 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.

3.7500 inches nominal overall length, 3a thread class, right-hand thread direction, 0.7495 inches minimum and 0.7515 inches maximum bore diameter, externally threaded shank style

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Shank Style: externally threaded
Overall Length: 3.7500 inches nominal
Bore Diameter: 0.7495 inches minimum and 0.7515 inches maximum
Outer Member Outside Diameter: 1.7500 inches nominal
Bore Center To Shank End Distance: 2.7850 inches nominal
Outer Member Width: 0.6920 inches nominal
Inner Member Width: 0.8700 inches minimum and 0.8750 inches maximum
Shank Thread Length: 1.7500 inches nominal
Thread Diameter: 0.750 inches nominal
Features Provided: flush lubrication fitting
Thread Quantity Per Inch: 16
Lubrication Feature: groove external inner member
Special Features: identified with letter m on shank for aircraft use
Material: copper alloy race insert
Material: steel outer race member
Material: steel comp e52100 inner member
Material Document And Classification: 66 fed std single material response inner member
Surface Treatment: cadmium 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
1662774	Rod End Plain Bearing
HM12	Rod End Plain Bearing
HMF12	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-433-4768?

The FSCG of the NSN 3120-00-433-4768 is 3120

Does the NSN 3120-00-433-4768 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-433-4768 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 3120-00-433-4768 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-433-4768 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 3120-00-433-4768 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963