H21-590

View detailed technical data, stock status, and sourcing information for: H21-590
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-046-1171

Item Name Code

13205

Assigment Date

08/13/1977 (48 years ago)

0.8560 inches minimum and 0.8675 inches maximum body inside diameter, chamfered outside right corner corner shape, 0.8750 inches nominal overall length, chamfered outside left corner corner shape, 1.0020 inches minimum and 1.0035 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: 0.8750 inches nominal
Body Outside Diameter: 1.0020 inches minimum and 1.0035 inches maximum
Body Inside Diameter: 0.8560 inches minimum and 0.8675 inches maximum
Corner Shape: chamfered outside right corner
Corner Shape: chamfered outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Surface Finish: 125.0 microinches outside diameter surface of body
Material: copper alloy 544 or copper alloy sae 797 inner layer
Material: steel outer layer
Style Designator: split, plain, no outside flanges

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
B-11047-4	Sleeve Bearing
H21-590	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-046-1171?

The FSCG of the NSN 3120-01-046-1171 is 3120

Does the NSN 3120-01-046-1171 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-046-1171 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 3120-01-046-1171 contain precious materials?

Precious metal content is unknown

Does NSN 3120-01-046-1171 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 3120-01-046-1171 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Aug 13, 1977