4820-01-495-5307

Find complete technical information, availability, and procurement data for: 4820-01-495-5307
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-495-5307

Item Name Code

05488

Assigment Date

03/19/2002 (24 years ago)

A cellular, solid, or laminated material including film furnished in widths greater than 6 inches (152.4mm). It includes material cut to specific lengths. It may include fillers, reinforcements, or pigments. For items which have a definite rated electrical characteristics, see insulation sheet, electrical. Excludes:cellophane; dry transfer sheet; plastic sheet, laminated, decorative; plastic strip; screen, color overlay; tile, vinyl resin; plastic sheet, tracing.

inside spring bonnet type, bolted bonnet attachment method, spring disk loading method, 1.000 inches all ends nominal pipe size accommodated, disk flow control device

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 1.000 inches all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 165.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +76.0 to 90.0 pounds per square inch
Maximum Operating Pressure: 1500.0 pounds per square inch single response
Part Name Assigned By Controlling Agency: "1" relief valve type 1751t"
Special Features: for gas service; vent must be open to atmosphere or piped to downstream piping; vent plug (find no. 27) and associated o-ring (find no. 28) are not to be installed when valve is used in an air system; has monel trim
Material: copper alloy 922 body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Material Document And Classification: astm b-61 assn std single material response body
Material Document And Classification: qq-n-281 fed spec 1st material response and ams 3660 assn std 2nd material response flow control device
Material Document And Classification: qq-n-281 fed spec single material response seat
Material Document And Classification: qq-n-281 fed spec single material response stem
Style Designator: angle
Furnished Items And Quantity: 2 tailpiece and 2 nut and 1 plugged drain and 1 relief plug

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
20206L51M	Safety Relief Valve
MIL-V-22459	Safety Relief Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-495-5307?

The FSCG of the NSN 4820-01-495-5307 is 4820

Does the NSN 4820-01-495-5307 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-495-5307 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 4820-01-495-5307 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-495-5307 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 4820-01-495-5307 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Tue, Mar 19, 2002