GB525G8FN

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-063-3639

Item Name Code

13209

Assigment Date

01/01/1963 (63 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 0.5015 inches maximum bore diameter, 3a thread class, externally threaded shank style, 3.0150 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: 3.0150 inches nominal
Bore Diameter: 0.4995 inches minimum and 0.5015 inches maximum
Outer Member Outside Diameter: 1.0930 inches nominal
Bore Center To Shank End Distance: 2.4690 inches nominal
Outer Member Width: 0.3900 inches maximum
Inner Member Width: 0.4950 inches minimum and 0.5000 inches maximum
Shank Thread Length: 1.5620 inches nominal
Thread Diameter: 0.500 inches nominal
Features Provided: flush lubrication fitting
Thread Quantity Per Inch: 20
Hardness Rating: 59.0 rockwell c minimum inner member
Hardness Rating: 25.0 rockwell c minimum rod end body
Material: steel internal rod end body
Material: steel comp e52100 inner member
Surface Treatment: chromium inner member
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
CRBE-8-108	Rod End Plain Bearing
GB525G8FN	Rod End Plain Bearing
HE8FN	Rod End Plain Bearing
HE8SFN	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-063-3639?

The FSCG of the NSN 3120-00-063-3639 is 3120

Does the NSN 3120-00-063-3639 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-063-3639 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 3120-00-063-3639 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-063-3639 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 3120-00-063-3639 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963