158NA6955

View detailed technical data, stock status, and sourcing information for: 158NA6955
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-661-5797

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

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.

0.6260 inches minimum and 0.6270 inches maximum body inside diameter, 1.2500 inches nominal overall length, 0.8770 inches minimum and 0.8780 inches maximum body outside diameter, grooved open both ends lubricant accommodation style, square all corners corner shape

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 1.2500 inches nominal
Body Outside Diameter: 0.8770 inches minimum and 0.8780 inches maximum
Body Inside Diameter: 0.6260 inches minimum and 0.6270 inches maximum
Lubricant Accommodation Style: grooved open both ends
Corner Shape: square all corners
Surface Finish: 125.0 microinches outside diameter surface of body
Surface Groove Location And Quantity: 1 internal
Material: copper alloy 910 overall
Material Document And Classification: mil-b-16261 mil spec single material response overall
Style Designator: solid, plain, no outside flanges

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-851-1939	No Name Available	02/01/1988
3120-01-204-2057	No Name Available	05/01/1989

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
158NA6955	Sleeve Bearing
158ND-6159	Sleeve Bearing
158ND6109	Sleeve Bearing
NH-7445 PIECE 158	Sleeve Bearing
T180012	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-661-5797?

The FSCG of the NSN 3120-00-661-5797 is 3120

Does the NSN 3120-00-661-5797 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-661-5797 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 3120-00-661-5797 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-661-5797 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 3120-00-661-5797 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963