A51H20640-1

View detailed technical data, stock status, and sourcing information for: A51H20640-1

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A51H20640-1
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-006-4605
Item Name Code
13209
Assigment Date
06/23/1972 (54 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

0.4995 inches minimum and 0.5000 inches maximum bore diameter, 3a thread class, externally threaded shank style, 3.2310 inches nominal overall length, 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
3.2310 inches nominal
Bore Diameter
0.4995 inches minimum and 0.5000 inches maximum
Outer Member Outside Diameter
1.4000 inches nominal
Bore Center To Shank End Distance
2.5310 inches nominal
Outer Member Width
0.3850 inches minimum and 0.3950 inches maximum
Inner Member Width
0.4980 inches minimum and 0.5000 inches maximum
Shank Thread Length
1.6870 inches nominal
Special Features
slot in shank 0.1300 in. wide,internal hole in shank 0.2500 in. dia,1.1800 in. deep
Style Designator
ball type

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
A51H20640-1 Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-006-4605?
The FSCG of the NSN 3120-00-006-4605 is 3120
Does the NSN 3120-00-006-4605 have a Schedule B code assigned?
Yes, the Schedule B code is 8483308055
Does NSN 3120-00-006-4605 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 3120-00-006-4605 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-006-4605 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 3120-00-006-4605 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Jun 23, 1972

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