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41003002 Safety Relief Valve

4820-01-044-3313

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Official Item Classification

Name
Safety Relief Valve
Part Number
41003002
(NSN) National Stock Number
4820-01-044-3313
(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
07/10/1977 (49 years ago)

7.0 gallons per minute valve discharge flow rate, right-hand all ends thread direction, spring disk loading method, 275.0 fahrenheit single response maximum operating temp, 3a all ends thread class

Specs & Compatibility

Thread Class

3a all ends

Thread Direction

right-hand all ends

Disk Loading Method

spring

Valve Discharge Flow Rate

7.0 gallons per minute

Maximum Operating Temp

275.0 fahrenheit single response

End Item Identification

aircraft model no. h-1

Connection Style

plain (screw-in cartridge) all ends

Valve Operation Method

automatic

Connection Type

threaded cartridge all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Nominal Thread Size

0.750 inches all ends

Opening Pressure Setting

450.0 pounds per square inch

Style Designator

screw-in cartridge

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
41003002 Safety Relief Valve
H807 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-044-3313?
The FSCG of the NSN 4820-01-044-3313 is 4820
Does the NSN 4820-01-044-3313 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-044-3313 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 4820-01-044-3313 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-044-3313 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 4820-01-044-3313 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sun, Jul 10, 1977