NAS538B18P28

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-807-3731

Item Name Code

13206

Assigment Date

01/01/1963 (63 years ago)

0.3300 inches minimum and 0.3400 inches maximum overall length, 1.3138 inches minimum and 1.3148 inches maximum body outside diameter, 1.4800 inches minimum and 1.5100 inches maximum flange outside diameter, 1.0940 inches minimum and 1.1060 inches maximum body inside diameter, 0.0550 inches minimum and 0.0600 inches maximum flange width

Product Characteristics

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

Overall Length: 0.3300 inches minimum and 0.3400 inches maximum
Body Outside Diameter: 1.3138 inches minimum and 1.3148 inches maximum
Body Inside Diameter: 1.0940 inches minimum and 1.1060 inches maximum
Flange Outside Diameter: 1.4800 inches minimum and 1.5100 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
Special Features: id and od to be parallel and concentric within 0.0030 tir
Material: copper alloy 630 overall
Material Document And Classification: mil-b-6946 mil spec single material response 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
NAS538B18P028	Sleeve Bushing
NAS538B18P28	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-807-3731?

The FSCG of the NSN 3120-00-807-3731 is 3120

Does the NSN 3120-00-807-3731 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-807-3731 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 3120-00-807-3731 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-807-3731 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 3120-00-807-3731 was assigned to the Federal Catalog?

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