ST4M207-3

View detailed technical data, stock status, and sourcing information for: ST4M207-3
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-212-9313

Item Name Code

13209

Assigment Date

07/19/1985 (41 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.

externally threaded shank style, 1.6550 inches nominal overall length, 3a thread class, right-hand thread direction, 0.1895 inches minimum and 0.1900 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: 1.6550 inches nominal
Bore Diameter: 0.1895 inches minimum and 0.1900 inches maximum
Outer Member Outside Diameter: 0.6800 inches nominal
Bore Center To Shank End Distance: 1.3150 inches nominal
Outer Member Width: 0.2230 inches minimum and 0.2330 inches maximum
Inner Member Width: 0.2790 inches minimum and 0.2810 inches maximum
Shank Thread Length: 0.7440 inches minimum and 0.8060 inches maximum
Static Radial Load Rating: 3000 pounds
Thread Diameter: 0.250 inches nominal
Thread Quantity Per Inch: 28
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 34.0 rockwell c maximum race insert
Lubrication Feature: self-lubricating liner inside diameter surface of rod end body
Special Features: keyway slot in shank
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 4340 rod end body
Material: steel comp 440c inner member
Material: steel comp 630 race insert
Material Document And Classification: ams 5630 assn std single 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 type 2,class 2 fed spec single treatment response rod end body
Style Designator: ball type
Thread Series Designator: unjf
Specification/Standard Data: 76301-st4-207 manufacturers standard

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
01-824-03E-032	Rod End Plain Bearing
ADNE3-307	Rod End Plain Bearing
KBDE-3-101W	Rod End Plain Bearing
ST4M207-3	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-212-9313?

The FSCG of the NSN 3120-01-212-9313 is 3120

Does the NSN 3120-01-212-9313 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-212-9313 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 3120-01-212-9313 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-212-9313 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 3120-01-212-9313 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Jul 19, 1985