M81935/4-04

View detailed technical data, stock status, and sourcing information for: M81935/4-04
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-503-5926

Item Name Code

13209

Assigment Date

12/26/2002 (23 years ago)

A fabricated device, generally constructed with a flared end and a straight or elbow type body. It may contain a damper and is designed to be used at the end of a ventilating duct to control the quantity and/or the direction of air flow.

3a thread class, right-hand thread direction, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, externally threaded shank style, 0.8170 inches minimum and 0.8370 inches maximum outer member outside diameter

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
Outer Member Outside Diameter: 0.8170 inches minimum and 0.8370 inches maximum
Bore Center To Shank End Distance: 1.443 inches nominal
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 End To Shoulder Length: 1.1560 inches minimum and 1.2180 inches maximum
Shank Thread Length: 0.7750 inches nominal
Thread Quantity Per Inch: 28
Hardness Rating: 39.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Hardness Rating: 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating: 28.0 rockwell c minimum and 37.0 rockwell c maximum race insert
Special Features: right hand thread direction;static load 5,300 lbs;fatigue load 1,500 lbs; axial proof load 430 lbs; 28 threads-unjf
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 race insert
Material: steel comp e4340 rod end body
Material Document And Classification: ams 5630 assn std single material response inner member
Material Document And Classification: ams 5643 assn std single material response race insert
Material Document And Classification: mil-s-5000 mil spec single material response rod end body
Surface Treatment: cadmium and chromate rod end body
Style Designator: ball type
Specification/Standard Data: 81343-as81935/4 professional/industrial association standard

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
AS81935/4	Rod End Plain Bearing
M81935/4-04	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-503-5926?

The FSCG of the NSN 3120-01-503-5926 is 3120

Does the NSN 3120-01-503-5926 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-503-5926 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 3120-01-503-5926 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-503-5926 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 3120-01-503-5926 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Thu, Dec 26, 2002