640B-7-6-2

View detailed technical data, stock status, and sourcing information for: 640B-7-6-2
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 640B-7-6-2 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-174-3044

Item Name Code

05488

Assigment Date

02/14/1973 (53 years ago)

2b all ends thread class, plug flow control device, flare(tube) all ends connection style, right-hand all ends thread direction, automatic valve operation method

Product Characteristics

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

Thread Class: 2b all ends
Thread Direction: right-hand all ends
Flow Control Device: plug
Connection Style: flare(tube) all ends
Valve Operation Method: automatic
Connection Type: threaded internal tube all ends
Maximum Operating Pressure: 750.0 pounds per square inch single response
Nominal Thread Size: 0.563 inches all ends
Seat Angle: 37.0 degrees all ends
Nominal Outside Diameter Tube Accommodated: 0.375 inches all ends
Material: steel comp 303 overall
Material Document And Classification: aisi303 assn std single material response overall
Style Designator: angle
Thread Series Designator: unf all ends

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
640B-7-6-2	Safety Relief Valve
640B7-6-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-174-3044?

The FSCG of the NSN 4820-00-174-3044 is 4820

Does the NSN 4820-00-174-3044 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-174-3044 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 4820-00-174-3044 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-174-3044 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 4820-00-174-3044 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Feb 14, 1973