AV7S4903-100332PC283

View detailed technical data, stock status, and sourcing information for: AV7S4903-100332PC283
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-1861

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

A straight one-piece metallic pipe 12 inches(304 mm)or less in length having external threads of the same size on both ends. It may have a center section which is externally shaped to accommodate a wrench. For pipe having internal threads 12 inches(304 mm)or less in length see coupling,pipe. For pipe in excess of 12 inches(304 mm)see pipe as modified.

right-hand all ends thread direction, spring disk loading method, 0.500 inches all ends nominal pipe size accommodated, poppet flow control device, plain (pipe) all ends connection style

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: 0.500 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe all ends
Adjustable Pressure Range: +76.0 to 175.0 pounds per square inch
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Material: copper alloy overall
Media For Which Designed: air single response
Style Designator: straight thru
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-490-3226	No Name Available	08/01/1998
4820-00-541-3565	No Name Available	01/01/1963

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
107152PC283	Safety Relief Valve
107153PC283	Safety Relief Valve
107163PC283	Safety Relief Valve
107169PC283	Safety Relief Valve
107170PC283	Safety Relief Valve
107252PC283	Safety Relief Valve
107253PC283	Safety Relief Valve
107263PC283	Safety Relief Valve
107270PC283	Safety Relief Valve
107271PC283	Safety Relief Valve
107314PC6	Safety Relief Valve
107315PC6	Safety Relief Valve
107321PC6	Safety Relief Valve
107322PC6	Safety Relief Valve
1226-1/2CID882111613	Safety Relief Valve
2247-1-2-125A	Safety Relief Valve
343N	Safety Relief Valve
6182 DC SET AT 135PSI	Safety Relief Valve
6182 DCM01-KM0135	Safety Relief Valve
668N	Safety Relief Valve
82-1/2CID883116386	Safety Relief Valve
AD14S49-035PC6	Safety Relief Valve
AD14S49-036PC6	Safety Relief Valve
AD14S49-042PC6	Safety Relief Valve
AD14S49-043PC6	Safety Relief Valve
AD14S49-139PC6	Safety Relief Valve
AD14S49-140PC6	Safety Relief Valve
AD14S49-146PC6	Safety Relief Valve
AD14S49-147PC6	Safety Relief Valve
AR5S49-068PC6	Safety Relief Valve
AR5S49-069PC6	Safety Relief Valve
AR5S49-075PC6	Safety Relief Valve
AR5S49-076PC6	Safety Relief Valve
AS11S49-(122PC283	Safety Relief Valve
AS11S49-0122PC283	Safety Relief Valve
AS11S49-0123PC283	Safety Relief Valve
AS11S49-0133PC283	Safety Relief Valve
AS11S49-0140PC283	Safety Relief Valve
AS11S49-0141PC283	Safety Relief Valve
AS15S4902-021PC283	Safety Relief Valve
AS15S4902-02PC283	Safety Relief Valve
AS15S4902-03PC283	Safety Relief Valve
AS15S4902-05PC283	Safety Relief Valve
AS15S4902-06PC283	Safety Relief Valve
AV14S4902-19856PC6	Safety Relief Valve
AV14S4902-19857PC6	Safety Relief Valve
AV14S4902-19863PC6	Safety Relief Valve
AV14S4902-19864PC6	Safety Relief Valve
AV4S49-035PC283	Safety Relief Valve
AV4S49-036PC283	Safety Relief Valve
AV4S49-046PC283	Safety Relief Valve
AV4S49-052PC283	Safety Relief Valve
AV4S49-053PC283	Safety Relief Valve
AV7S4903-100324PC283	Safety Relief Valve
AV7S4903-100332PC283	Safety Relief Valve
AV7S4903-95920PC283	Safety Relief Valve
AV7S4903-95923PC283	Safety Relief Valve
AV7S4903-95924PC283	Safety Relief Valve
HL4272PC283	Safety Relief Valve
HL4273PC283	Safety Relief Valve
HL4283PC283	Safety Relief Valve
HL4290PC283	Safety Relief Valve
HL4291PC283	Safety Relief Valve
HL5723PC6	Safety Relief Valve
HL5724PC6	Safety Relief Valve
HL5730PC6	Safety Relief Valve
HL5731PC6	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-1861?

The FSCG of the NSN 4820-00-289-1861 is 4820

Does the NSN 4820-00-289-1861 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-1861 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 4820-00-289-1861 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-1861 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 4820-00-289-1861 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963