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4820-00-008-3136

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-00-008-3136
(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
07/19/1972 (54 years ago)

piston flow control device, 3b all ends thread class, right-hand all ends thread direction, gasket seal(boss) all ends connection style, automatic valve operation method

Specs & Compatibility

Thread Class

3b all ends

Thread Direction

right-hand all ends

Flow Control Device

piston

Connection Style

gasket seal(boss) all ends

Valve Operation Method

automatic

Connection Type

threaded internal boss all ends

Thread Quantity Per Inch

12 all ends

Maximum Operating Pressure

5000.0 pounds per square inch single response

Nominal Thread Size

1.062 inches all ends

Opening Pressure Setting

2500.0 pounds per square inch

Material

aluminum alloy body

Style Designator

angle

Thread Series Designator

un all ends

Replacement For

Part Number Description
4820-01-320-1221 No Name Available 08/01/1996

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
1LL23-F12T-40SM Safety Relief Valve
1LL23F12T40S Safety Relief Valve
2624498 Safety Relief Valve
5433322 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-008-3136?
The FSCG of the NSN 4820-00-008-3136 is 4820
Does the NSN 4820-00-008-3136 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-008-3136 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 4820-00-008-3136 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-008-3136 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 4820-00-008-3136 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Jul 19, 1972