NAS538-4P016

View detailed technical data, stock status, and sourcing information for: NAS538-4P016
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-943-8249

Item Name Code

13206

Assigment Date

02/23/1966 (60 years ago)

An item fabricated from electrically nonconductive material specifically designed to provide a support for mounting an electrical and/or an electronic component such as a semiconductor device, relay, or resistor into the next higher assembly. It isolates the component from the mounting surface of the next higher assembly, it may act as a strain relief to avoid damage to the component seal, and it may permit soldering of the component to the next higher assembly without damage. It includes holes, notches, or other provisions for physical alignment and spacing of electrical leads and/or other mounting facilities projecting from the component it mounts. It may also afford protection from shock or vibration. It may be either nonthermally conductive which protects the component from temperature changes in the next higher assembly or it may be thermally conductive which permits heat generated in the component to be drained out to a heat sink. For items whose function is electrical insulation only, see insulator, (as modified). Excludes:holder, (as modified); retainer, (as modified), and spacer, plate.

0.0550 inches minimum and 0.0600 inches maximum flange width, 0.4900 inches minimum and 0.5100 inches maximum flange outside diameter, 0.2380 inches minimum and 0.2430 inches maximum body inside diameter, 0.2100 inches minimum and 0.2200 inches maximum overall length, 0.3756 inches minimum and 0.3761 inches maximum body 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: 0.2100 inches minimum and 0.2200 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
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-6758 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
NAS538-4P016	Sleeve Bushing
NAS538-4P16	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-943-8249?

The FSCG of the NSN 3120-00-943-8249 is 3120

Does the NSN 3120-00-943-8249 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-943-8249 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 3120-00-943-8249 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-943-8249 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 3120-00-943-8249 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Feb 23, 1966