3120-01-280-6931

Find complete technical information, availability, and procurement data for: 3120-01-280-6931
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-280-6931

Item Name Code

13209

Assigment Date

06/13/1988 (38 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

6.5625 inches nominal overall length, 3a thread class, externally threaded shank style, 1.2495 inches minimum and 1.2500 inches maximum bore diameter, 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: 6.5625 inches nominal
Bore Diameter: 1.2495 inches minimum and 1.2500 inches maximum
Outer Member Outside Diameter: 3.1150 inches minimum and 3.1350 inches maximum
Bore Center To Shank End Distance: 4.9900 inches minimum and 5.0100 inches maximum
Outer Member Width: 1.0100 inches minimum and 1.0200 inches maximum
Inner Member Width: 1.8700 inches minimum and 1.8750 inches maximum
Shank Thread Length: 2.8440 inches minimum and 2.9370 inches maximum
Static Radial Load Rating: 77000 pounds
Thread Diameter: 1.1250 inches nominal
Thread Quantity Per Inch: 12
Lubrication Feature: self-lubricating liner race liner
Material: plastic polytetrafluoroethylene race liner
Material: steel corrosion resisting inner member
Material: steel corrosion resisting race insert
Material: steel corrosion resisting rod end body
Material Document And Classification: dyflon,cagec 81376 mfr ref single material response race liner
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
DREM-20-385	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-280-6931?

The FSCG of the NSN 3120-01-280-6931 is 3120

Does the NSN 3120-01-280-6931 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-280-6931 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 3120-01-280-6931 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-280-6931 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 3120-01-280-6931 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Jun 13, 1988