3-7172-8

View detailed technical data, stock status, and sourcing information for: 3-7172-8
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-3939

Item Name Code

16989

Assigment Date

01/01/1963 (63 years ago)

3a 1st end thread class, right-hand 1st end thread direction, plain (tube) 1st end connection style, manual valve operation method, poppet 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 Class: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Connection Style: plain (tube) 1st end
Valve Operation Method: manual
Connection Type: threaded external tube 1st end
Thread Quantity Per Inch: 16 1st end
Maximum Operating Pressure: 60.0 pounds per square inch 1st response
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 37.0 degrees 1st end
Material: copper alloy body
Media For Which Designed: fuel/oil, hydrocarbon single response
Surface Treatment: copper alloy
Style Designator: straight thru
Test Data Document: "81349-mil-v-25023 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4510-00-370-9041	No Name Available	01/01/1963
2915-00-980-0746	No Name Available	01/01/1960

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
230-20020	Poppet Drain Cock
3-59002-8	Poppet Drain Cock
3-7172-8	Poppet Drain Cock
3D100A	Poppet Drain Cock
49F9798-54	Poppet Drain Cock
575B8AS	Poppet Drain Cock
71D-8	Poppet Drain Cock
BJ1000AS3	Poppet Drain Cock
C2E2365ND	Poppet Drain Cock
MS29528-8	Poppet Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-00-289-3939?

The FSCG of the NSN 4820-00-289-3939 is 4820

Does the NSN 4820-00-289-3939 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-289-3939 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 4820-00-289-3939 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-3939 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 4820-00-289-3939 was assigned to the Federal Catalog?

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