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4820-01-088-9594

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-088-9594
(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
01/23/1980 (46 years ago)

right-hand all ends thread direction, 2b all ends thread class, poppet flow control device, automatic valve operation method, gasket seal(boss) all ends connection style

Specs & Compatibility

Thread Class

2b all ends

Thread Direction

right-hand all ends

Flow Control Device

poppet

Connection Style

gasket seal(boss) all ends

Valve Operation Method

automatic

Connection Type

threaded internal boss all ends

Maximum Operating Pressure

125.0 pounds per square inch single response

Nominal Thread Size

0.562 inches all ends

Opening Pressure Setting

90.0 pounds per square inch

Material

steel corrosion resisting overall

Media For Which Designed

oxygen, gaseous single response

Style Designator

angle

Thread Series Designator

unf all ends

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
1014-B706 Safety Relief Valve
7-863-6 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-088-9594?
The FSCG of the NSN 4820-01-088-9594 is 4820
Does the NSN 4820-01-088-9594 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-088-9594 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 4820-01-088-9594 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-088-9594 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 4820-01-088-9594 was assigned to the Federal Catalog?
It was assigned 46 years ago, on Wed, Jan 23, 1980