A51B20821-1

Comprehensive specifications and application details for: A51B20821-1 Rod End Plain Bearing.

Summary

Explore detailed summary information for bearing: A51B20821-1. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
A51B20821-1
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-107-1149
Item Name Code
13209
Federal Item Identification Guide
A045A0
Assigment Date
04/27/1973

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.

0.6230 inches minimum and 0.6250 inches maximum inner member width, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, ams 5610 assn std single material response inner member material document and classification, 3.2000 inches nominal bore center to shank end distance, 3.9500 inches nominal overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-107-1149 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4995 inches minimum and 0.5000 inches maximum
Bore Center To Shank End Distance
3.2000 inches nominal
Inner Member Width
0.6230 inches minimum and 0.6250 inches maximum
Overall Length
3.9500 inches nominal
Material Document And Classification
ams 5610 assn std single material response inner member
Material Document And Classification
ams5643 assn std 1st material response or ams 5528 or aisi 410,fscm 73428 assn std 2nd material response race insert
Material Document And Classification
mil-s-5000 mil spec single material response rod end body
Material
plastic polytetrafluoroethylene race liner
Material
steel comp 440c inner member
Material
steel comp 630 or steel comp 631 race insert
Material
steel comp e4340 rod end body
Outer Member Outside Diameter
1.5000 inches nominal
Outer Member Width
0.5000 inches minimum and 0.5100 inches maximum
Shank Thread Length
1.9500 inches nominal
Shank Style
externally threaded
Style Designator
ball type
Surface Treatment Document And Classification
mil-c-8837,type 2,class 1 mil spec all treatment responses rod end body
Surface Treatment
cadmium and chromate rod end body
Thread Class
3a
Thread Diameter
0.500 inches nominal
Thread Direction
right-hand
Thread Quantity Per Inch
20
Thread Series Designator
unjf

Frequently Asked Questions

Find quick answers to common questions about bearing: A51B20821-1. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-107-1149?
The FSCG of the NSN 3120-00-107-1149 is 3120
Does the NSN 3120-00-107-1149 have a Schedule B code assigned?
Yes, the Schedule B code is 8483308055
Does NSN 3120-00-107-1149 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 3120-00-107-1149 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-107-1149 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 3120-00-107-1149 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Apr 27, 1973

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