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CT10B30 Safety Relief Valve

4820-00-025-7621

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Official Item Classification

Name
Safety Relief Valve
Part Number
CT10B30
(NSN) National Stock Number
4820-00-025-7621
(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
10/21/1972 (53 years ago)

plain,optional end(pipe) all ends connection style, spring disk loading method, right-hand all ends thread direction, poppet flow control device, 100.0 gallons per minute valve discharge flow rate

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

poppet

Disk Loading Method

spring

Valve Discharge Flow Rate

100.0 gallons per minute

Connection Style

plain,optional end(pipe) all ends

Valve Operation Method

automatic

Connection Type

threaded internal pipe all ends

Features Provided

pressure tight outlet side

Adjustable Pressure Range

+125.0 to 1000.0 pounds per square inch

Nominal Thread Size

1.250 inches 1st end

Special Features

w/0.250-18 npt gage port

Material

steel overall

Surface Treatment

paint

Style Designator

cross

Thread Series Designator

npt all ends

Replacement For

Part Number Description
4820-00-506-1288 No Name Available 11/01/1976

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
CT10B20 Safety Relief Valve
CT10B30 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-025-7621?
The FSCG of the NSN 4820-00-025-7621 is 4820
Does the NSN 4820-00-025-7621 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-025-7621 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 4820-00-025-7621 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-025-7621 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 4820-00-025-7621 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sat, Oct 21, 1972