167245-1-1

View detailed technical data, stock status, and sourcing information for: 167245-1-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-171-1958

Item Name Code

05487

Assigment Date

08/27/1972 (53 years ago)

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

3b 1st end thread class, poppet flow control device, spring disk loading method, right-hand 1st end thread direction, 160.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 160.0 fahrenheit single response
Connection Style: gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Nominal Thread Size: 1.312 inches 1st end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 1.000 inches 1st end
Material: aluminum alloy seat
Material: aluminum alloy body
Media For Which Designed: ethylene glycol single response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: un 1st end

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
167245-1-1	Check Valve
A51E9088-1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-171-1958?

The FSCG of the NSN 4820-00-171-1958 is 4820

Does the NSN 4820-00-171-1958 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-171-1958 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 4820-00-171-1958 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-171-1958 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 4820-00-171-1958 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sun, Aug 27, 1972