NAS538B5P188

View detailed technical data, stock status, and sourcing information for: NAS538B5P188
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-246-8138

Item Name Code

13206

Assigment Date

06/13/1973 (53 years ago)

0.3010 inches minimum and 0.3060 inches maximum body inside diameter, 0.4381 inches minimum and 0.4386 inches maximum body outside diameter, 1.9300 inches minimum and 1.9400 inches maximum overall length, 0.0550 inches minimum and 0.0600 inches maximum flange width, 0.5520 inches minimum and 0.5720 inches maximum flange outside diameter

Product Characteristics

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

Overall Length: 1.9300 inches minimum and 1.9400 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: copper alloy 606 or copper alloy 614 or copper alloy 630 or copper alloy 642 overall
Material Document And Classification: qq-c-465 fed spec all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator: solid, external flange one end
Specification/Standard Data: 80205-nas538 professional/industrial association standard

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
NAS538B5P188	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-246-8138?

The FSCG of the NSN 3120-00-246-8138 is 3120

Does the NSN 3120-00-246-8138 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-246-8138 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 3120-00-246-8138 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-246-8138 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 3120-00-246-8138 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jun 13, 1973