3120-01-331-1621

Find complete technical information, availability, and procurement data for: 3120-01-331-1621
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-331-1621

Item Name Code

13211

Assigment Date

12/14/1990 (35 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

round center hole shape style, 0.0480 inches minimum and 0.0520 inches maximum overall thickness, 0.4989 inches minimum and 0.4999 inches maximum outside diameter, rectangular cross-sectional shape style, 0.2803 inches minimum and 0.2809 inches maximum diameter

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Outside Diameter: 0.4989 inches minimum and 0.4999 inches maximum
Center Hole Shape Style: round
Diameter: 0.2803 inches minimum and 0.2809 inches maximum
Overall Thickness: 0.0480 inches minimum and 0.0520 inches maximum
End Item Identification: afterbody section,torpedo mk50
Corner Shape: chamfered second inside corner
Corner Shape: chamfered second outside corner
Corner Shape: chamfered first inside corner
Corner Shape: chamfered first outside corner
Material: copper alloy 642 overall
Material Document And Classification: qq-c-465m alloy 642 fed spec single material response overall
Style Designator: round

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
5821032	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-331-1621?

The FSCG of the NSN 3120-01-331-1621 is 3120

Does the NSN 3120-01-331-1621 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-01-331-1621 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 3120-01-331-1621 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-331-1621 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 3120-01-331-1621 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Dec 14, 1990