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FBFFE-E2MAN Safety Relief Valve

4820-01-313-4546

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Official Item Classification

Name
Safety Relief Valve
Part Number
FBFFE-E2MAN
(NSN) National Stock Number
4820-01-313-4546
(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
01/09/1990 (36 years ago)

threaded bonnet attachment method, inside screw bonnet type, right-hand all ends thread direction, 300.0 fahrenheit 2nd response maximum operating temp, ball or disk flow control device

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

ball or disk

Bonnet Type

inside screw

Bonnet Attachment Method

threaded

Maximum Operating Temp

300.0 fahrenheit 2nd response

Maximum Operating Temp

406.0 fahrenheit 1st response

Connection Style

plain (pipe) 1st end

Connection Style

plain,optional end(pipe) 2nd end

Valve Operation Method

automatic

Connection Type

threaded external pipe 1st end

Connection Type

threaded internal pipe 2nd end

Maximum Operating Pressure

250.0 pounds per square inch 1st response

Maximum Operating Pressure

300.0 pounds per square inch 2nd response

Nominal Thread Size

1.000 inches 1st end

Nominal Thread Size

1.250 inches 2nd end

Opening Pressure Setting

300.0 pounds per square inch

Material

copper alloy body

Media For Which Designed

air 1st response

Media For Which Designed

gas, inert 2nd response

Media For Which Designed

steam 3rd response

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
A-3190 Safety Relief Valve
FBFFE-E2MAM Safety Relief Valve
FBFFE-E2MAN Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-313-4546?
The FSCG of the NSN 4820-01-313-4546 is 4820
Does the NSN 4820-01-313-4546 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-313-4546 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 4820-01-313-4546 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-313-4546 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 4820-01-313-4546 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Tue, Jan 9, 1990