KRJ4Y-B-04A008M

View detailed technical data, stock status, and sourcing information for: KRJ4Y-B-04A008M
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-413-6409

Item Name Code

13205

Assigment Date

05/01/1974 (52 years ago)

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes:bearing,ball,annular.

0.2505 inches minimum and 0.2515 inches maximum body inside diameter, 0.2400 inches minimum and 0.2500 inches maximum overall length, 125.0 microinches inside diameter surface of body surface finish, 0.3755 inches minimum and 0.3765 inches maximum body outside diameter, 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: 0.2400 inches minimum and 0.2500 inches maximum
Body Outside Diameter: 0.3755 inches minimum and 0.3765 inches maximum
Body Inside Diameter: 0.2505 inches minimum and 0.2515 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: aluminum alloy 2024 or aluminum alloy 5083 outer layer
Material: plastic polytetrafluoroethylene inner layer
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Below is a list of NSNs that have been officially superseded by this NSN: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
3120-00-500-3461	No Name Available	12/01/1979

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
06-382-04A008	Sleeve Bearing
10107637	Sleeve Bearing
117-00-04-008	Sleeve Bearing
122-0204A008	Sleeve Bearing
91086-04A008	Sleeve Bearing
AD04A008	Sleeve Bearing
AHJ04A008	Sleeve Bearing
ATT04A008	Sleeve Bearing
KDJ04A008	Sleeve Bearing
KDJ04A008-16	Sleeve Bearing
KDJ04A008-341	Sleeve Bearing
KRJ4Y-B-04A008M	Sleeve Bearing
M81934/1-04A008	Sleeve Bearing
MS21240-04A008	Sleeve Bearing
PBRR-04A008	Sleeve Bearing
ST4M128-04A008	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-413-6409?

The FSCG of the NSN 3120-00-413-6409 is 3120

Does the NSN 3120-00-413-6409 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-413-6409 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 3120-00-413-6409 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-413-6409 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 3120-00-413-6409 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, May 1, 1974