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4820-00-409-8313

Pressure and Temper Relief Valve

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Official Item Classification

Name
Pressure and Temper Relief Valve
(NSN) National Stock Number
4820-00-409-8313
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
16996
(FIIG) Federal Item Identification Guide
A07100
Date
07/30/1970 (56 years ago)

threaded external boss first end connection type, unthreaded internal tube second end connection type, not identical second end relationship with first end, external seat for gasket seal first end style designator, "angle give "adqm" and "adqn" only if flanged one or two ends" body style

Specs & Compatibility

Body Style

"angle give "adqm" and "adqn" only if flanged one or two ends"

First End Connection Type

threaded external boss

First End Style Designator

external seat for gasket seal

Second End Relationship With First End

not identical

Second End Connection Type

unthreaded internal tube

Flow Control Device

piston, spring loaded

End Connection Quantity

2

Temp Adjustability

not adjustable

Criticality Code Justification

feat

Special Features

to be cleaned in accordance with mil-std-1330d

Material

copper alloy body

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
S

The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

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

0016996

Related Hardware Products

Part Number Description
1227-1-2X3-4-45PSI Pressure and Temper Relief Valve
3200775-1 Pressure and Temper Relief Valve
3200775-1CP Pressure and Temper Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-409-8313?
The FSCG of the NSN 4820-00-409-8313 is 4820
Does the NSN 4820-00-409-8313 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-409-8313 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 4820-00-409-8313 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-409-8313 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 4820-00-409-8313 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Thu, Jul 30, 1970