KJN79-1

View detailed technical data, stock status, and sourcing information for: KJN79-1
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-199-4617

Item Name Code

13205

Assigment Date

01/31/1969 (57 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

5.4250 inches minimum and 5.4270 inches maximum body outside diameter, square all corners corner shape, 125.0 microinches overall surface finish, 4.9300 inches nominal body inside diameter, 2.1490 inches minimum and 2.1570 inches maximum overall length

Product Characteristics

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

Overall Length: 2.1490 inches minimum and 2.1570 inches maximum
Body Outside Diameter: 5.4250 inches minimum and 5.4270 inches maximum
Body Inside Diameter: 4.9300 inches nominal
Corner Shape: square all corners
Surface Finish: 125.0 microinches overall
Material: aluminum alloy 2014 inner layer
Material: plastic tetrafluoroethylene outer layer
Surface Treatment: anodize inside diameter surface of body
Surface Treatment: anodize left end surface of body
Surface Treatment: anodize right end surface of body
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response inside diameter surface of body
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response left end surface of body
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response right end surface of body
Style Designator: segmented, plain, no outside flanges

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
2576342	Sleeve Bearing
53-41502-3	Sleeve Bearing
78926	Sleeve Bearing
8AM1199	Sleeve Bearing
8HJ79-101	Sleeve Bearing
KJN79-1	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-199-4617?

The FSCG of the NSN 3120-00-199-4617 is 3120

Does the NSN 3120-00-199-4617 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-199-4617 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 3120-00-199-4617 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-199-4617 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 3120-00-199-4617 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jan 31, 1969