103140-7-1

View detailed technical data, stock status, and sourcing information for: 103140-7-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-087-3711

Item Name Code

35935

Assigment Date

12/16/1979 (46 years ago)

right-hand 2nd end thread direction, threaded internal tube 1st end connection type, inverted flare(tube) 1st end connection style, 3b 2nd end thread class, inverted flare(tube) 2nd end connection style

Product Characteristics

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

Thread Class: 3b 2nd end
Thread Direction: right-hand 2nd end
Connection Style: inverted flare(tube) 2nd end
Connection Style: inverted flare(tube) 1st end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Nominal Thread Size: 0.437 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Nominal Outside Diameter Tube Accommodated: 0.250 inches 2nd end
Material: magnesium body
Media For Which Designed: air single response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Test Data Document: 36659-p-9009 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator: unf 2nd 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
103140-7-1	Vent Valve
644646-103	Vent Valve

FAQs

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

What is the FSCG of the NSN 4820-01-087-3711?

The FSCG of the NSN 4820-01-087-3711 is 4820

Does the NSN 4820-01-087-3711 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-087-3711 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 4820-01-087-3711 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-087-3711 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 4820-01-087-3711 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Sun, Dec 16, 1979