MS21440-101

View detailed technical data, stock status, and sourcing information for: MS21440-101
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-340-9929

Item Name Code

00040

Assigment Date

06/23/1991 (35 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

1.0625 inches nominal overall length, 2a thread class, 0.3125 inches nominal thread length, 0.6250 inches nominal overall outside diameter, right-hand thread direction

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.3125 inches nominal
Overall Length: 1.0625 inches nominal
Overall Outside Diameter: 0.6250 inches nominal
Stud Diameter: 0.2500 inches nominal
Outer Ring Width: 0.4060 inches nominal
Stud Length: 0.6250 inches nominal
Seal Quantity: 2
Bearing Seal Type: contact
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.2500 inches
Special Features: crowned od.
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-81322 mil spec single material response
Material: plastic acetal or plastic polyhexamethylene adipamide seal
Material: steel comp 8620 or steel comp e50100 or steel comp e51100 or steel comp e52100 end plate
Material: steel comp 8620 or steel comp e50100 or steel comp e51100 or steel comp e52100 outer ring
Material: steel comp 8620 or steel comp e50100 or steel comp e51100 or steel comp e52100 roller
Material: steel comp 8620 or steel comp e50100 or steel comp e51100 or steel comp e52100 stud
Surface Treatment: cadmium or oxide stud
Surface Treatment: cadmium end plate exposed surfaces
Surface Treatment: chromium outer ring
Surface Treatment Document And Classification: qq-c-320,cl 2 fed spec single treatment response outer ring
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec 1st treatment response or mil-c-13924 mil spec 2nd treatment response stud
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response end plate exposed surfaces
Style Designator: cam follower
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
MS21440-101	Needle Bearing Cam Follower

FAQs

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

What is the FSCG of the NSN 3110-01-340-9929?

The FSCG of the NSN 3110-01-340-9929 is 3110

Does the NSN 3110-01-340-9929 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-01-340-9929 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 3110-01-340-9929 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-340-9929 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 3110-01-340-9929 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Jun 23, 1991