1/4 0548-A-260

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-606-3679

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

right-hand 1st end thread direction, threaded bonnet attachment method, inside spring bonnet type, spring disk loading method, ball 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.

Thread Direction: right-hand 1st end
Flow Control Device: ball
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 217.0 cubic feet per minute
End Item Identification: grummin aerospace a10 aircraft
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Adjustable Pressure Range: +30.0 to 350.0 pounds per square inch
Maximum Operating Pressure: 350.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 260.0 pounds per square inch
Special Features: manual lift ring
Material: copper alloy overall
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-449-4214	No Name Available	04/01/1979
4820-01-417-5809	No Name Available	05/01/2002

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
1/4 0548-A-260	Safety Relief Valve
1/4 48A-260	Safety Relief Valve
1/4 948-260	Safety Relief Valve
37106184	Safety Relief Valve
72062185	Safety Relief Valve
948-260-1-4	Safety Relief Valve
S/47559060001	Safety Relief Valve
X1396T28	Safety Relief Valve
X1396T28-260	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-606-3679?

The FSCG of the NSN 4820-00-606-3679 is 4820

Does the NSN 4820-00-606-3679 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-606-3679 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 4820-00-606-3679 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-606-3679 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 4820-00-606-3679 was assigned to the Federal Catalog?

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