3120-01-217-2249

Find complete technical information, availability, and procurement data for: 3120-01-217-2249
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-217-2249

Item Name Code

13209

Assigment Date

09/23/1985 (40 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.

3b thread class, internally threaded w/hexagon end and inspection hole shank style, 2.9180 inches nominal overall length, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, left-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: 3b
Thread Direction: left-hand
Shank Style: internally threaded w/hexagon end and inspection hole
Overall Length: 2.9180 inches nominal
Bore Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Outer Member Outside Diameter: 1.3270 inches minimum and 1.3470 inches maximum
Bore Center To Shank End Distance: 2.2400 inches minimum and 2.2600 inches maximum
Outer Member Width: 0.5100 inches minimum and 0.5200 inches maximum
Inner Member Width: 0.6230 inches minimum and 0.6250 inches maximum
Shank Thread Length: 1.2500 inches minimum
Inspection Hole Center To End Distance: 0.5420 inches minimum and 0.5820 inches maximum
Shank Width Across Wrench Flats: 0.7400 inches minimum and 0.7520 inches maximum
Static Radial Load Rating: 19500 pounds
Thread Diameter: 0.500 inches nominal
Thread Quantity Per Inch: 20
Hardness Rating: 39.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Hardness Rating: 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating: 28.0 rockwell c minimum and 37.0 rockwell c maximum race insert
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c or steel comp xm-13 inner member
Material: steel comp 630 race insert
Material: steel comp e4340 rod end body
Material Document And Classification: ams 5630 assn std 1st material response or ams 5629 assn std 2nd material response inner member
Material Document And Classification: ams 5643 assn std single material response race insert
Material Document And Classification: mil-s-5000 mil spec single material response rod end body
Surface Treatment: cadmium and chromate rod end body
Surface Treatment: passivate inner member
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response inner member
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec all treatment responses rod end body
Style Designator: ball type
Thread Series Designator: unjf

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:

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5D3-03073 PIECE 23	Rod End Plain Bearing
KR8 FSLV	Rod End Plain Bearing
M81935/2-08L	Rod End Plain Bearing
M81935/2-8L	Rod End Plain Bearing
MS21243-8-L	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-217-2249?

The FSCG of the NSN 3120-01-217-2249 is 3120

Does the NSN 3120-01-217-2249 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-217-2249 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 3120-01-217-2249 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-217-2249 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 3120-01-217-2249 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, Sep 23, 1985