18.5.50

View detailed technical data, stock status, and sourcing information for: 18.5.50
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-514-1699

Item Name Code

35224

Assigment Date

10/18/2003 (22 years ago)

A flexible item in roll form, six inches (152.4mm) 0r less in width, designed to be affixed to an object by adhesion. It does not contain coding signification, legendary characters, or printed data of any type. Includes masking tape. Excludes:tape, adhesive, rubber; tape, insulation, electrical; tape, semi-conducting, electrical; and tape, shielding, electrical.

5.382 inches nominal outside diameter, 4820-01-514-1698 safety relief valve end item identification, 2b thread class, 1.706 inches nominal shoulder width, 425.0 fahrenheit maximum temp rating

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
Outside Diameter: 5.382 inches nominal
Shoulder Width: 1.706 inches nominal
End Item Identification: 4820-01-514-1698 safety relief valve
Temp Rating: 425.0 fahrenheit maximum
Pressure Rating: 100.0 pounds per square inch maximum
Thread Quantity Per Inch: 18
Nominal Thread Size: 1.250 inches
Material: nickel alloy 400
Media For Which Designed: water, salt
Style Designator: plug
Thread Series Designator: unef

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
18.5.50	Valve Disk
NMP-176 PC NO 18M	Valve Disk
NMP176 L2210-C	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-514-1699?

The FSCG of the NSN 4820-01-514-1699 is 4820

Does the NSN 4820-01-514-1699 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-514-1699 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 4820-01-514-1699 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-514-1699 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 4820-01-514-1699 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Sat, Oct 18, 2003