M81935/4-4K

View detailed technical data, stock status, and sourcing information for: M81935/4-4K
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-383-7395

Item Name Code

13209

Assigment Date

12/01/1993 (32 years ago)

A component which converts available alternating current or direct current electrical power into a form required to operate another component or set. The item may consist of a combination of an invertor,vibrator; vibrator,interrupter; vibrator,self-rectifying; invertor,power,static with a transformer and rectifies employing electron tubes, semiconductor diode or metallic (dry disc) type components, or the synchronized secondary contacts of a vibrator,self-rectifying or may consist of electron tubes, semiconductor diode or metallic (dry disc) type rectifiers and capacitors in transformerless (alternating current-direct current type) circuits which may be of the voltage-multiplier type. The item may incorporate a filter,direct current power and provisions for regulation of input and/or output voltage. The item may have special input, output, control or other facilities for applications in specialized environments such as medical, dental or other operations. Excludes battery chargers and rotating machinery types of items, such as motor generators and enerators and dynamotors.

right-hand thread direction, 3a thread class, externally threaded shank style, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, pacer dawn end item identification

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
Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
End Item Identification: pacer dawn
Outer Member Outside Diameter: 0.8170 inches minimum and 0.8370 inches maximum
Bore Center To Shank End Distance: 1.4330 inches minimum and 1.4530 inches maximum
Outer Member Width: 0.2550 inches minimum and 0.2650 inches maximum
Inner Member Width: 0.3410 inches minimum and 0.3430 inches maximum
Shank Thread Length: 0.7440 inches minimum and 0.8060 inches maximum
Thread Diameter: 0.7440 inches minimum and 0.8060 inches maximum
Thread Quantity Per Inch: 28
Keyway Dimension: 0.0620 inches minimum and 0.0670 inches maximum internal keyway width
Keyway Dimension: 0.2020 inches minimum and 0.2070 inches maximum internal keyway depth
Keyway Dimension: 0.8760 inches minimum and 0.8960 inches maximum internal keyway length
Special Features: bearing is self-aligning and selflubricating
Material: steel comp 4340 overall
Material Document And Classification: mil-s-5000 mil spec single material response overall
Style Designator: shouldered ball type
Thread Series Designator: unjf

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
ADNE4-382W	Rod End Plain Bearing
ATMK-4T	Rod End Plain Bearing
M81935/4-04K	Rod End Plain Bearing
M81935/4-4K	Rod End Plain Bearing
MEK4AN	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-383-7395?

The FSCG of the NSN 3120-01-383-7395 is 3120

Does the NSN 3120-01-383-7395 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-383-7395 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 3120-01-383-7395 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-383-7395 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 3120-01-383-7395 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Dec 1, 1993