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4820-01-174-5115

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-174-5115
(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
03/20/1984 (42 years ago)

2b all ends thread class, automatic valve operation method, poppet flow control device, right-hand all ends thread direction, plain,optional end(pipe) all ends connection style

Specs & Compatibility

Thread Class

2b all ends

Thread Direction

right-hand all ends

Flow Control Device

poppet

Connection Style

plain,optional end(pipe) all ends

Valve Operation Method

automatic

Connection Type

threaded internal tube all ends

Thread Quantity Per Inch

12 all ends

Maximum Operating Pressure

1500.0 pounds per square inch single response

Nominal Thread Size

1.625 inches all ends

Nominal Outside Diameter Tube Accommodated

1.250 inches all ends

Special Features

ventable for remote or manual unloading; high accuracy of pilot operated design; long life with hardened working parts; dimensions: 4.765 inch overall length, 3.000 inch body height, 2.000 inch body width, 3.843 inch overall width

Material

aluminum alloy body

Media For Which Designed

oil, hydraulic single response

Thread Series Designator

un 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.

Source of Supply Code

ZIC

Pseudo Item Name Code

0005488

Related Hardware Products

Part Number Description
1AR41-P20T-15S Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-174-5115?
The FSCG of the NSN 4820-01-174-5115 is 4820
Does the NSN 4820-01-174-5115 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-174-5115 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 4820-01-174-5115 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-174-5115 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 4820-01-174-5115 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Tue, Mar 20, 1984