NAS538B12P25

View detailed technical data, stock status, and sourcing information for: NAS538B12P25
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-221-9770

Item Name Code

13206

Assigment Date

05/11/1973 (53 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

0.9383 inches minimum and 0.9393 inches maximum body outside diameter, 0.7340 inches minimum and 0.7410 inches maximum body inside diameter, 1.1150 inches minimum and 1.1350 inches maximum flange outside diameter, 0.0550 inches minimum and 0.0600 inches maximum flange width, 0.3000 inches minimum and 0.3100 inches maximum overall length

Product Characteristics

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

Overall Length: 0.3000 inches minimum and 0.3100 inches maximum
Body Outside Diameter: 0.9383 inches minimum and 0.9393 inches maximum
Body Inside Diameter: 0.7340 inches minimum and 0.7410 inches maximum
Flange Outside Diameter: 1.1150 inches minimum and 1.1350 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
Material: copper alloy 642 overall
Material Document And Classification: qq-c-465 fed 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
NAS538B12P025	Sleeve Bushing
NAS538B12P25	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-221-9770?

The FSCG of the NSN 3120-00-221-9770 is 3120

Does the NSN 3120-00-221-9770 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-221-9770 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 3120-00-221-9770 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-221-9770 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 3120-00-221-9770 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, May 11, 1973