3120PL1601989

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-937-0729

Item Name Code

13209

Assigment Date

11/04/1966 (59 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

right-hand thread direction, 3b thread class, 0.1895 inches minimum and 0.1900 inches maximum bore diameter, internally threaded w/bead and wrench flats and inspection hole shank style, 1.3120 inches nominal overall length

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: right-hand
Shank Style: internally threaded w/bead and wrench flats and inspection hole
Overall Length: 1.3120 inches nominal
Bore Diameter: 0.1895 inches minimum and 0.1900 inches maximum
Outer Member Outside Diameter: 0.6150 inches minimum and 0.6600 inches maximum
Bore Center To Shank End Distance: 0.9900 inches minimum and 1.1010 inches maximum
Outer Member Width: 0.2450 inches minimum and 0.2550 inches maximum
Inner Member Width: 0.3070 inches minimum and 0.3120 inches maximum
Shank Thread Length: 0.5000 inches nominal
Inspection Hole Center To End Distance: 0.2530 inches nominal
Shank Width Across Wrench Flats: 0.3120 inches nominal
Static Radial Load Rating: 3130 pounds
Thread Diameter: 0.190 inches nominal
Thread Quantity Per Inch: 32
Hardness Rating: 32.0 rockwell c minimum rod end body
Hardness Rating: 55.0 rockwell c minimum inner member
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 440c rod end body
Surface Treatment: cadmium rod end body
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
177035	Rod End Plain Bearing
3120PL0684610	Rod End Plain Bearing
3120PL1601980	Rod End Plain Bearing
3120PL1601986	Rod End Plain Bearing
3120PL1601989	Rod End Plain Bearing
ADN3-13	Rod End Plain Bearing
ASW-3T-5	Rod End Plain Bearing
ATN3-13	Rod End Plain Bearing
C657-13	Rod End Plain Bearing
C657-13REVB	Rod End Plain Bearing
DREF3-077	Rod End Plain Bearing
FE3B	Rod End Plain Bearing
FRR-3A	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-937-0729?

The FSCG of the NSN 3120-00-937-0729 is 3120

Does the NSN 3120-00-937-0729 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-937-0729 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 3120-00-937-0729 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-937-0729 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 3120-00-937-0729 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Nov 4, 1966