21C1594-38

View detailed technical data, stock status, and sourcing information for: 21C1594-38
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-171-4489

Item Name Code

13209

Assigment Date

01/11/1968 (58 years ago)

0.4995 inches minimum and 0.5015 inches maximum bore diameter, 2.7810 inches nominal overall length, 3b thread class, right-hand thread direction, internally threaded w/hexagon end and inspection hole 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: 3b
Thread Direction: right-hand
Shank Style: internally threaded w/hexagon end and inspection hole
Overall Length: 2.7810 inches nominal
Bore Diameter: 0.4995 inches minimum and 0.5015 inches maximum
Outer Member Outside Diameter: 1.3020 inches minimum and 1.3220 inches maximum
Bore Center To Shank End Distance: 2.1150 inches minimum and 2.1350 inches maximum
Outer Member Width: 0.4950 inches minimum and 0.5050 inches maximum
Inner Member Width: 0.6200 inches minimum and 0.6250 inches maximum
Shank Thread Length: 1.1875 inches nominal
Inspection Hole Center To End Distance: 0.5940 inches nominal
Shank Width Across Wrench Flats: 0.8750 inches nominal
Static Radial Load Rating: 13870 pounds
Thread Diameter: 0.500 inches nominal
Features Provided: screw plug closure fitting
Thread Quantity Per Inch: 20
Lubrication Feature: groove internal outer member
Material: lubricant lubrication
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
1820693	Rod End Plain Bearing
21C1594-38	Rod End Plain Bearing
AR8	Rod End Plain Bearing
BUWEPSDWG1820693	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-171-4489?

The FSCG of the NSN 3120-00-171-4489 is 3120

Does the NSN 3120-00-171-4489 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-171-4489 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 3120-00-171-4489 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-171-4489 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 3120-00-171-4489 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Thu, Jan 11, 1968