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3120-01-325-2833

Find complete technical information, availability, and procurement data for: 3120-01-325-2833

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3120-01-325-2833
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-01-325-2833
Item Name Code
13209
Assigment Date
08/31/1990 (35 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.

internally threaded w/hexagon end and inspection hole shank style, right-hand thread direction, 3a thread class, 1.7515 inches nominal overall length, 0.2495 inches minimum and 0.2500 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
internally threaded w/hexagon end and inspection hole
Overall Length
1.7515 inches nominal
Bore Diameter
0.2495 inches minimum and 0.2500 inches maximum
Outer Member Outside Diameter
0.8170 inches minimum and 0.8370 inches maximum
Bore Center To Shank End Distance
1.3280 inches minimum and 1.3480 inches maximum
Outer Member Width
0.2550 inches minimum and 0.2650 inches maximum
Inner Member Width
0.3410 inches minimum and 0.3430 inches maximum
Shank Thread Length
0.7500 inches maximum
Inspection Hole Center To End Distance
0.2920 inches minimum and 0.3320 inches maximum
Shank Width Across Wrench Flats
0.4300 inches nominal
Thread Diameter
0.2500 inches nominal
Thread Quantity Per Inch
28
Hardness Rating
39.0 rockwell c minimum and 42.0 rockwell c maximum overall
Material
steel comp e4340 overall
Material Document And Classification
mil-s-5000 mil spec single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator
ball type
Thread Series Designator
unjf
Specification/Standard Data
81349-mil-b-81935/5 government specification

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
M81935/5-04 Rod End Plain Bearing
M81935/5-4 Rod End Plain Bearing
M8193515-04 Rod End Plain Bearing
MIL-B-81935/5 Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-325-2833?
The FSCG of the NSN 3120-01-325-2833 is 3120
Does the NSN 3120-01-325-2833 have a Schedule B code assigned?
Yes, the Schedule B code is 8483308055
Does NSN 3120-01-325-2833 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 3120-01-325-2833 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-325-2833 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 3120-01-325-2833 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Fri, Aug 31, 1990

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