887C051933

View detailed technical data, stock status, and sourcing information for: 887C051933
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-038-0403

Item Name Code

35935

Assigment Date

03/27/1977 (49 years ago)

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

0.437 inches 1st end nominal thread size, 3a 1st end thread class, external seat for gasket seal (boss) 1st end connection style, threaded external boss 1st end connection type, right-hand 1st end thread direction

Product Characteristics

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

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Connection Style: external seat for gasket seal (boss) 1st end
Connection Type: threaded external boss 1st end
Nominal Thread Size: 0.437 inches 1st end
Special Features: drilled for lockwire
Material: aluminum alloy 2024 body
Material: rubber synthetic seat
Material Document And Classification: qq-a-225/6,alloy 2024,t4 fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: nitrogen, gaseous 2nd response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,type 1 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unf 1st end

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
887C0511933	Vent Valve
887C051933	Vent Valve
P4-673	Vent Valve

FAQs

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

What is the FSCG of the NSN 4820-01-038-0403?

The FSCG of the NSN 4820-01-038-0403 is 4820

Does the NSN 4820-01-038-0403 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-038-0403 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 4820-01-038-0403 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-038-0403 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 4820-01-038-0403 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Mar 27, 1977