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CS03F40 Safety Relief Valve

4820-01-040-8741

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Official Item Classification

Name
Safety Relief Valve
Part Number
CS03F40
(NSN) National Stock Number
4820-01-040-8741
(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
05/16/1977 (49 years ago)

piston flow control device, right-hand all ends thread direction, bolted bonnet attachment method, inside spring bonnet type, 2b all ends thread class

Specs & Compatibility

Thread Class

2b all ends

Thread Direction

right-hand all ends

Flow Control Device

piston

Bonnet Type

inside spring

Bonnet Attachment Method

bolted

Disk Loading Method

spring

Valve Discharge Flow Rate

45.0 gallons per minute

Maximum Operating Temp

150.0 fahrenheit single response

Connection Style

gasket seal(boss) all ends

Valve Operation Method

automatic

Connection Type

threaded internal boss all ends

Adjustable Pressure Range

+1500.0 to 3000.0 pounds per square inch

Maximum Operating Pressure

3000.0 pounds per square inch single response

Nominal Thread Size

0.875 inches all ends

Material

steel overall

Media For Which Designed

ethylene glycol 1st response

Media For Which Designed

oil, hydraulic 2nd response

Style Designator

cross

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
345088 Safety Relief Valve
590413 Safety Relief Valve
CS03F40 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-040-8741?
The FSCG of the NSN 4820-01-040-8741 is 4820
Does the NSN 4820-01-040-8741 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-040-8741 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 4820-01-040-8741 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-040-8741 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 4820-01-040-8741 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Mon, May 16, 1977