23510-21-3

View detailed technical data, stock status, and sourcing information for: 23510-21-3
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-400-3024

Item Name Code

13205

Assigment Date

02/28/1969 (57 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

32.0 microinches outside diameter surface of body surface finish, grooved open both ends and grooved circular and grooved single x lubricant accommodation style, 4.2500 inches minimum and 4.2515 inches maximum body inside diameter, 5.3120 inches nominal overall length, 32.0 microinches inside diameter surface of body surface finish

Product Characteristics

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

Overall Length: 5.3120 inches nominal
Body Inside Diameter: 4.2500 inches minimum and 4.2515 inches maximum
Lubricant Accommodation Style: grooved open both ends and grooved circular and grooved single x
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 32.0 microinches outside diameter surface of body
Antirotation/Lubrication Type And Quantity: 2 hole
Surface Groove Location And Quantity: 7 internal
Special Features: outside body square
Material: copper alloy 932 overall
Material Document And Classification: qq-c-390 fed spec single material response overall

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
2022940 4	Sleeve Bearing
23510-21-3	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-400-3024?

The FSCG of the NSN 3120-00-400-3024 is 3120

Does the NSN 3120-00-400-3024 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-400-3024 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 3120-00-400-3024 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-400-3024 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 3120-00-400-3024 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Feb 28, 1969