47-140-253-1

View detailed technical data, stock status, and sourcing information for: 47-140-253-1
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-923-2556

Item Name Code

13209

Assigment Date

01/26/1966 (60 years ago)

left-hand thread direction, internally threaded w/inspection hole shank style, 0.2494 inches minimum and 0.2497 inches maximum bore diameter, 3b thread class, 2.3575 inches minimum and 2.3900 inches maximum overall length

Product Characteristics

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

Thread Class: 3b
Thread Direction: left-hand
Shank Style: internally threaded w/inspection hole
Overall Length: 2.3575 inches minimum and 2.3900 inches maximum
Bore Diameter: 0.2494 inches minimum and 0.2497 inches maximum
Outer Member Outside Diameter: 0.9850 inches minimum and 1.0100 inches maximum
Bore Center To Shank End Distance: 1.8650 inches minimum and 1.8850 inches maximum
Outer Member Width: 0.4110 inches minimum and 0.4210 inches maximum
Inner Member Width: 0.5910 inches minimum and 0.5930 inches maximum
Shank Thread Length: 1.0100 inches minimum and 1.1100 inches maximum
Inspection Hole Center To End Distance: 0.3020 inches minimum and 0.3220 inches maximum
Thread Diameter: 0.438 inches nominal
Thread Quantity Per Inch: 20
Hardness Rating: 36.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Hardness Rating: 56.0 rockwell c minimum inner member
Hardness Rating: 30.0 rockwell c minimum race insert
Material: plastic tetrafluoroethylene race liner
Material: steel comp 303 or steel comp 630 race insert
Material: steel comp 4140 or steel comp 4340 rod end body
Material: steel comp e52100 or steel comp 440c inner member
Material Document And Classification: 66 fed std 1st material response or ams 5630 assn std 2nd material response inner member
Material Document And Classification: 66 fed std 1st material response or aisi/sae assn std 2nd material response rod end body
Material Document And Classification: 66 fed std 1st material response or ams 5643 assn std 2nd material response race insert
Surface Treatment: cadmium or chromate rod end body
Surface Treatment: chromium inner member
Surface Treatment Document And Classification: qq-p-416,cl 2 fed spec all treatment responses rod end body
Style Designator: ball type
Test Data Document: "97499-ps4075 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-736-1810	No Name Available	04/18/1967

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
47-140-253-1	Rod End Plain Bearing
77414	Rod End Plain Bearing
RFL4TH6	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-923-2556?

The FSCG of the NSN 3120-00-923-2556 is 3120

Does the NSN 3120-00-923-2556 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-923-2556 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 3120-00-923-2556 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-923-2556 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 3120-00-923-2556 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jan 26, 1966