3120-01-210-1757

Find complete technical information, availability, and procurement data for: 3120-01-210-1757
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-210-1757

Item Name Code

13209

Assigment Date

06/07/1985 (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.

3a thread class, right-hand thread direction, 4.8750 inches nominal overall length, externally threaded shank style, 0.7495 inches minimum and 0.7500 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: 4.8750 inches nominal
Bore Diameter: 0.7495 inches minimum and 0.7500 inches maximum
Outer Member Outside Diameter: 1.9900 inches minimum and 2.0100 inches maximum
Bore Center To Shank End Distance: 3.8650 inches minimum and 3.8850 inches maximum
Outer Member Width: 0.7450 inches minimum and 0.7550 inches maximum
Inner Member Width: 0.9980 inches minimum and 1.0000 inches maximum
Shank Thread Length: 2.6560 inches minimum and 2.7490 inches maximum
Static Radial Load Rating: 36510 pounds
Thread Diameter: 0.875 inches nominal
Thread Quantity Per Inch: 14
Hardness Rating: 35.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Hardness Rating: 55.0 rockwell c minimum inner member
Hardness Rating: 28.0 rockwell c minimum and 37.0 rockwell c maximum race insert
Lubrication Feature: self-lubricating liner race liner
Special Features: ms14198 keyway in shank,0.156 in. wide,0.098 in. deep
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 race insert
Material: steel comp 630 rod end body
Material Document And Classification: ams 5643 assn std single material response race insert
Material Document And Classification: ams 5643 assn std single material response rod end body
Material Document And Classification: qq-s-763 fed spec single material response inner member
Style Designator: ball type
Test Data Document: "81349-mil-i-6866 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.)."
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:

Part Number	Name
KBDE12-250W	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-210-1757?

The FSCG of the NSN 3120-01-210-1757 is 3120

Does the NSN 3120-01-210-1757 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-210-1757 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 3120-01-210-1757 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-210-1757 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 3120-01-210-1757 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Jun 7, 1985