MS21151-7

View detailed technical data, stock status, and sourcing information for: MS21151-7
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-232-2933

Item Name Code

00049

Assigment Date

09/10/1972 (53 years ago)

1.9385 inches minimum and 1.9685 inches maximum overall length, right-hand thread direction, 3a thread class, 0.2500 inches nominal shank 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 Diameter: 0.2500 inches nominal
Shank Style: externally threaded
Overall Length: 1.9385 inches minimum and 1.9685 inches maximum
Bore Diameter: 0.1897 inches minimum and 0.1900 inches maximum
Overall Outside Diameter: 0.7710 inches minimum and 0.7910 inches maximum
Shank Thread Length: 0.9690 inches minimum and 1.0310 inches maximum
Outer Ring Width: 0.3180 inches minimum and 0.3380 inches maximum
Inner Ring Width: 0.4320 inches minimum and 0.4370 inches maximum
Length From Bore Center To Shank End: 1.5530 inches minimum and 1.5730 inches maximum
Seal Quantity: 2
Bearing Seal Type: contact
Alignment Type: self-aligning
Self-Alignment Location: internal
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Self-Alignment Angle: 10.00 degrees nominal
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-81322 mil spec single material response
Material: plastic polytetrafluoroethylene seal
Material: steel comp 4130 outer ring
Material: steel comp 4130 shaft
Material: steel comp e52100 ball
Material: steel comp e52100 inner ring
Material Document And Classification: ams 3652 assn std single material response or ams 3666 assn std single material response seal
Material Document And Classification: mil-s-6758 mil spec single material response outer ring
Material Document And Classification: mil-s-6758 mil spec single material response shaft
Material Document And Classification: mil-s-7420 mil spec single material response inner ring
Material Document And Classification: mil-s-7420 mil spec single material response ball
Surface Treatment: cadmium outer ring
Surface Treatment: cadmium rod end body
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response outer ring
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response rod end body
Style Designator: double row, staggered, ball
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
MS21151-7	Rod End Ball Bearing
REP3M4-6FS464	Rod End Ball Bearing
REP3M4-7F	Rod End Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-232-2933?

The FSCG of the NSN 3110-00-232-2933 is 3110

Does the NSN 3110-00-232-2933 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-232-2933 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 3110-00-232-2933 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-232-2933 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 3110-00-232-2933 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sun, Sep 10, 1972