3120-01-166-4434

Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-166-4434

Item Name Code

13206

Assigment Date

11/11/1983 (42 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.5520 inches minimum and 0.5720 inches maximum flange outside diameter, 0.4381 inches minimum and 0.4386 inches maximum body outside diameter, 0.3010 inches minimum and 0.3060 inches maximum body inside diameter, 0.0550 inches minimum and 0.0600 inches maximum flange width, 0.1600 inches minimum and 0.1700 inches maximum overall length

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Overall Length: 0.1600 inches minimum and 0.1700 inches maximum
Body Outside Diameter: 0.4381 inches minimum and 0.4386 inches maximum
Body Inside Diameter: 0.3010 inches minimum and 0.3060 inches maximum
Flange Outside Diameter: 0.5520 inches minimum and 0.5720 inches maximum
Flange Width: 0.0550 inches minimum and 0.0600 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Corner Shape: undercut left flange body corner
Surface Finish: 125.0 microinches outside diameter surface of flange
Surface Finish: 125.0 microinches left end surface of body and flange
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 250.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: steel comp 8630 or steel comp 4130 overall
Material Document And Classification: mil-s-6050 mil spec 1st material response or mil-s-6758 mil spec 2nd material response overall
Surface Treatment: cadmium or chromate overall
Style Designator: solid, external flange one end
Specification/Standard Data: 80205-nas538 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially replaced by the NSN 3120-01-166-4434

NSN	Name	Date
3120-01-197-3595	No Name Available	02/01/1992

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number	Name
NAS538-5P011	Sleeve Bushing
NAS538-5P11	Sleeve Bushing

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 3120-01-166-4434

What is the FSCG of the NSN 3120-01-166-4434?

The FSCG of the NSN 3120-01-166-4434 is 3120

Does the NSN 3120-01-166-4434 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-166-4434 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 3120-01-166-4434 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-166-4434 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 3120-01-166-4434 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Nov 11, 1983