H2139PC178 Sleeve Bearing

Comprehensive specifications and application details for: H2139PC178 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: H2139PC178. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: H2139PC178
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-629-9878
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 12/03/1965

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

21.1870 inches nominal body outside diameter, 10.7500 inches nominal flange width, 21.2490 inches minimum and 21.2500 inches maximum flange outside diameter, 18.0000 inches minimum and 18.0010 inches maximum body inside diameter, 1.1250 inches nominal end to flange distance

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-629-9878 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 18.0000 inches minimum and 18.0010 inches maximum
Body Outside Diameter: 21.1870 inches nominal
End To Flange Distance: 1.1250 inches nominal
Flange Outside Diameter: 21.2490 inches minimum and 21.2500 inches maximum
Flange Width: 10.7500 inches nominal
Overall Length: 12.0000 inches nominal
Material Document And Classification: mil-s-16113,type 1,grade m mil spec 1st material response outer layer
Material: steel outer layer
Material: tin alloy uns l13890 inner layer
Style Designator: segmented, external flange
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of flange

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-629-9878?: The FSCG of the NSN 3120-00-629-9878 is 3120

Does the NSN 3120-00-629-9878 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-629-9878 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 3120-00-629-9878 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-629-9878 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.