KB4-150WT

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-057-2830

Item Name Code

13209

Assigment Date

03/10/1978 (48 years ago)

0.2495 inches minimum and 0.2500 inches maximum bore diameter, internally threaded w/bead and wrench flats and inspection hole shank style, 1.8720 inches nominal overall length, right-hand thread direction, 3a thread class

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: internally threaded w/bead and wrench flats and inspection hole
Overall Length: 1.8720 inches nominal
Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Outer Member Outside Diameter: 0.8060 inches nominal
Bore Center To Shank End Distance: 1.4690 inches nominal
Outer Member Width: 0.3370 inches nominal
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Shank Thread Length: 0.7500 inches minimum and 0.8430 inches maximum
Inspection Hole Center To End Distance: 0.3750 inches nominal
Shank Width Across Wrench Flats: 0.4270 inches minimum and 0.4390 inches maximum
Static Radial Load Rating: 4675 pounds
Thread Diameter: 0.312 inches nominal
Thread Quantity Per Inch: 24
Special Features: nas559 keyslot in shank
Style Designator: ball type
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
51589-041VL	Rod End Plain Bearing
AR4-8W-3	Rod End Plain Bearing
ARB4-61TW	Rod End Plain Bearing
BACB10Z4T	Rod End Plain Bearing
BRES-4-2242-EL-1	Rod End Plain Bearing
FSSK-4AS-2	Rod End Plain Bearing
HB4-201KT	Rod End Plain Bearing
KB4-150WT	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-057-2830?

The FSCG of the NSN 3120-01-057-2830 is 3120

Does the NSN 3120-01-057-2830 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-057-2830 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 3120-01-057-2830 contain precious materials?

Precious metal content is unknown

Does NSN 3120-01-057-2830 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 3120-01-057-2830 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Mar 10, 1978