A51B20643-15

View detailed technical data, stock status, and sourcing information for: A51B20643-15
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-311-0952

Item Name Code

13206

Assigment Date

11/18/1989 (36 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.

0.6247 inches minimum and 0.6257 inches maximum body inside diameter, square all corners corner shape, 0.7500 inches minimum and 0.7510 inches maximum body outside diameter, steel comp xm-12 overall material, 0.4940 inches minimum and 0.5000 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: 0.4940 inches minimum and 0.5000 inches maximum
Body Outside Diameter: 0.7500 inches minimum and 0.7510 inches maximum
Body Inside Diameter: 0.6247 inches minimum and 0.6257 inches maximum
Corner Shape: square all corners
Material: steel comp xm-12 overall
Material Document And Classification: ams 5659 assn std single material response overall
Style Designator: solid, 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
A51B20643-15	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-311-0952?

The FSCG of the NSN 3120-01-311-0952 is 3120

Does the NSN 3120-01-311-0952 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-311-0952 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 3120-01-311-0952 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-311-0952 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 3120-01-311-0952 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Nov 18, 1989