NAS538-7P27

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-816-2506

Item Name Code

13206

Assigment Date

01/01/1963 (63 years ago)

0.4220 inches minimum and 0.4290 inches maximum body inside diameter, 0.5631 inches minimum and 0.5638 inches maximum body outside diameter, 0.3200 inches minimum and 0.3300 inches maximum overall length, 0.0550 inches minimum and 0.0600 inches maximum flange width, 0.6770 inches minimum and 0.6970 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: 0.3200 inches minimum and 0.3300 inches maximum
Body Outside Diameter: 0.5631 inches minimum and 0.5638 inches maximum
Body Inside Diameter: 0.4220 inches minimum and 0.4290 inches maximum
Flange Outside Diameter: 0.6770 inches minimum and 0.6970 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
NAS538-7P027	Sleeve Bushing
NAS538-7P27	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-816-2506?

The FSCG of the NSN 3120-00-816-2506 is 3120

Does the NSN 3120-00-816-2506 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-816-2506 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 3120-00-816-2506 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-816-2506 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 3120-00-816-2506 was assigned to the Federal Catalog?

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