KBDE4-31A

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-024-8533

Item Name Code

13209

Assigment Date

07/21/1976 (50 years ago)

externally threaded shank style, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 1.9500 inches minimum and 1.9800 inches maximum overall length, 3a thread class, 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: 3a
Thread Direction: right-hand
Shank Style: externally threaded
Overall Length: 1.9500 inches minimum and 1.9800 inches maximum
Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Outer Member Outside Diameter: 0.7960 inches minimum and 0.8160 inches maximum
Bore Center To Shank End Distance: 1.5520 inches minimum and 1.5720 inches maximum
Outer Member Width: 0.3320 inches minimum and 0.3420 inches maximum
Inner Member Width: 0.4350 inches minimum and 0.4370 inches maximum
Shank Thread Length: 0.9690 inches minimum and 1.0620 inches maximum
Static Radial Load Rating: 6700 pounds
Thread Diameter: 0.312 inches nominal
Thread Quantity Per Inch: 24
Hardness Rating: 39.0 rockwell c minimum and 44.0 rockwell c maximum rod end body
Hardness Rating: 55.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 4340 or steel comp 630 rod end body
Material: steel comp 440c inner member
Material: steel corrosion resisting race insert
Surface Treatment: cadmium or passivate rod end body
Style Designator: ball type
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
01-727-0250	Rod End Plain Bearing
10-60779-102	Rod End Plain Bearing
ADNE4-201	Rod End Plain Bearing
ART4E-125	Rod End Plain Bearing
DREM-4-057	Rod End Plain Bearing
DREM-8-014	Rod End Plain Bearing
KBDE 4-31	Rod End Plain Bearing
KBDE4-31A	Rod End Plain Bearing
MSSR45-14BAC	Rod End Plain Bearing
NHNE4-201	Rod End Plain Bearing
REM8ATC10Z	Rod End Plain Bearing
YTM-124-B	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-024-8533?

The FSCG of the NSN 3120-01-024-8533 is 3120

Does the NSN 3120-01-024-8533 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-024-8533 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 3120-01-024-8533 contain precious materials?

Precious metal content is unknown

Does NSN 3120-01-024-8533 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 3120-01-024-8533 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Wed, Jul 21, 1976