A 15502-350

View detailed technical data, stock status, and sourcing information for: A 15502-350
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-585-1113

Item Name Code

05488

Assigment Date

05/17/2010 (16 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

new construction lpd21 end item identification, right-hand 2nd end thread direction, spring disk loading method, right-hand 1st end thread direction, piston flow control device

Product Characteristics

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

Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: piston
Disk Loading Method: spring
End Item Identification: new construction lpd21
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: plain (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Nominal Thread Size: 0.375 inches all ends
Seat Angle: 45.0 degrees 1st end
Opening Pressure Setting: 350.0 pounds per square inch
Part Name Assigned By Controlling Agency: pressure relief valve
Special Features: orifice diameter 0.250; end connections: 3/8 mpt and 3/8 flare
Material: copper alloy body
Style Designator: straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator: nptf 1st end
Thread Series Designator: nptf 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
5231-350	Safety Relief Valve
A 15502-350	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-585-1113?

The FSCG of the NSN 4820-01-585-1113 is 4820

Does the NSN 4820-01-585-1113 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-585-1113 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 4820-01-585-1113 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-585-1113 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 4820-01-585-1113 was assigned to the Federal Catalog?

It was assigned 16 years ago, on Mon, May 17, 2010