139861H

View detailed technical data, stock status, and sourcing information for: 139861H
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-569-3975

Item Name Code

35224

Assigment Date

01/01/1963 (63 years ago)

0.373 inches minimum and 0.374 inches maximum outside diameter, 45.0 degrees nominal seat angle, matl per bendix westinghouse spec bw157m special features, 0.125 inches minimum and 0.130 inches maximum taper minor diameter

Product Characteristics

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

Outside Diameter: 0.373 inches minimum and 0.374 inches maximum
Taper Minor Diameter: 0.125 inches minimum and 0.130 inches maximum
Seat Angle: 45.0 degrees nominal
Special Features: matl per bendix westinghouse spec bw157m

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2530-00-371-3907	No Name Available	09/16/1972

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
12155P11	Valve Disk
139861H	Valve Disk
169550	Valve Disk
180634	Valve Disk
39BWG6	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-569-3975?

The FSCG of the NSN 4820-00-569-3975 is 4820

Does the NSN 4820-00-569-3975 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-569-3975 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 4820-00-569-3975 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-569-3975 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 4820-00-569-3975 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963