A51H20527-1

View detailed technical data, stock status, and sourcing information for: A51H20527-1
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-006-4637

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.

3a thread class, 3.1250 inches nominal overall length, externally threaded shank style, right-hand thread direction, 0.3120 inches minimum and 0.3125 inches maximum bore diameter

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: 3.1250 inches nominal
Bore Diameter: 0.3120 inches minimum and 0.3125 inches maximum
Outer Member Outside Diameter: 1.0620 inches nominal
Bore Center To Shank End Distance: 2.5940 inches nominal
Outer Member Width: 0.2760 inches minimum and 0.2860 inches maximum
Inner Member Width: 0.3730 inches minimum and 0.3750 inches maximum
Shank Thread Length: 1.6250 inches nominal
Special Features: internal hole in shank,0.2500 in. dia,1.1900 in. deep
Style Designator: ball type
Test Data Document: "81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
A51H20527-1	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-006-4637?

The FSCG of the NSN 3120-00-006-4637 is 3120

Does the NSN 3120-00-006-4637 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-006-4637 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 3120-00-006-4637 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-006-4637 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 3120-00-006-4637 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jun 23, 1972