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4820-01-317-4359

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-317-4359
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05488
(FIIG) Federal Item Identification Guide
A046B0
Date
03/30/1990 (36 years ago)

right-hand all ends thread direction, disk flow control device, spring disk loading method, automatic valve operation method, plain,optional end(pipe) all ends connection style

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

disk

Disk Loading Method

spring

Connection Style

plain,optional end(pipe) all ends

Valve Operation Method

automatic

Connection Type

threaded internal pipe all ends

Nominal Thread Size

1.250 inches all ends

Opening Pressure Setting

64.0 pounds per square inch

Material

copper alloy body

Style Designator

angle

Thread Series Designator

npt all ends

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005488

Related Hardware Products

Part Number Description
C13373 1.25IPSSET25PSI FLGE BRZ Safety Relief Valve
FIG 20 1-1/4IPS SET 25 OSIBRZ Safety Relief Valve
FIG 20 1-1/4IPS SET 25 PSIBRZ Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-317-4359?
The FSCG of the NSN 4820-01-317-4359 is 4820
Does the NSN 4820-01-317-4359 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-317-4359 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 4820-01-317-4359 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-317-4359 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 4820-01-317-4359 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Fri, Mar 30, 1990