NAS538-4P021

View detailed technical data, stock status, and sourcing information for: NAS538-4P021
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part NAS538-4P021 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-947-4403

Item Name Code

13206

Assigment Date

03/30/1966 (60 years ago)

An item consisting of two or more of the following components: stem, rivet body, sleeve, expander, bolt, and collar. It is a headed fastening device with the shank designed to be expanded by means of a separate or integral stem or mandrel, or bolt and expander. It is designed to be installed or expanded from one side only. Excludes:nut, blind assembly.

0.3756 inches minimum and 0.3761 inches maximum body outside diameter, 0.2380 inches minimum and 0.2430 inches maximum body inside diameter, 0.2600 inches minimum and 0.2700 inches maximum overall length, 0.0550 inches minimum and 0.0600 inches maximum flange width, 0.4900 inches minimum and 0.5100 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: 0.2600 inches minimum and 0.2700 inches maximum
Body Outside Diameter: 0.3756 inches minimum and 0.3761 inches maximum
Body Inside Diameter: 0.2380 inches minimum and 0.2430 inches maximum
Flange Outside Diameter: 0.4900 inches minimum and 0.5100 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
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
Special Features: id and od to be parallel and concentric within 0.0030 tir
Material: steel comp 4130 or steel comp 8630 overall
Material Document And Classification: mil-s-6798 mil spec 1st material response or mil-s-6050 mil spec 2nd 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
NAS538-4P021	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-947-4403?

The FSCG of the NSN 3120-00-947-4403 is 3120

Does the NSN 3120-00-947-4403 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-947-4403 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 3120-00-947-4403 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-947-4403 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 3120-00-947-4403 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Mar 30, 1966