101EF

View detailed technical data, stock status, and sourcing information for: 101EF
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-272-3351

Item Name Code

16990

Assigment Date

01/01/1961 (65 years ago)

right-hand all ends thread direction, disk or stem flow control device, 3a 2nd end thread class, plain (pipe) 1st end connection style, compression (tube) 2nd end connection style

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 2nd end
Thread Direction: right-hand all ends
Flow Control Device: disk or stem
Connection Style: compression (tube) 2nd end
Connection Style: plain (pipe) 1st end
Valve Operation Method: manual
Connection Type: threaded external pipe 1st end
Connection Type: threaded external tube 2nd end
Thread Quantity Per Inch: 24 2nd end
Nominal Thread Size: 0.125 inches 1st end
Nominal Thread Size: 0.438 inches 2nd end
Seat Nominal Radius: 0.062 inches 2nd end
Material: copper alloy overall
Style Designator: straight thru
Thread Series Designator: npt 1st end
Thread Series Designator: uns 2nd end
Furnished Items And Quantity: 1 ferrule

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-640-0535	No Name Available	11/15/1967
4820-01-158-8189	No Name Available	07/01/1985

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
101EF	Screw Stem Shutoff Cock
173C-4-J	Screw Stem Shutoff Cock
2205X4	Screw Stem Shutoff Cock
25155	Screw Stem Shutoff Cock
592786	Screw Stem Shutoff Cock
7968199	Screw Stem Shutoff Cock
NB106-C-4-2	Screw Stem Shutoff Cock
NV106C-4-2	Screw Stem Shutoff Cock

FAQs

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

What is the FSCG of the NSN 4820-00-272-3351?

The FSCG of the NSN 4820-00-272-3351 is 4820

Does the NSN 4820-00-272-3351 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-272-3351 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 4820-00-272-3351 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-272-3351 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 4820-00-272-3351 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961