27EF

View detailed technical data, stock status, and sourcing information for: 27EF
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-812-9029

Item Name Code

16991

Assigment Date

01/01/1962 (64 years ago)

2a 2nd end thread class, right-hand all ends thread direction, two way two port 360 degree plug turn flow style, compression (tube) 2nd end connection style, plain (pipe) 1st 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: 2a 2nd end
Thread Direction: right-hand all ends
Flow Style: two way two port 360 degree plug turn
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: 27 2nd end
Nominal Thread Size: 0.125 inches 1st end
Nominal Thread Size: 0.250 inches 2nd end
Seat Nominal Radius: 0.062 inches 2nd end
Material: copper alloy overall
Thread Series Designator: nptf 1st end
Thread Series Designator: uns 2nd end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-060-4792	No Name Available	01/31/1969
4820-00-272-3362	No Name Available	01/01/1978

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
133C-4J	Plug Cock
27EF	Plug Cock
3202X4	Plug Cock
V304C-4-2	Plug Cock

FAQs

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

What is the FSCG of the NSN 4820-00-812-9029?

The FSCG of the NSN 4820-00-812-9029 is 4820

Does the NSN 4820-00-812-9029 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-812-9029 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 4820-00-812-9029 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-812-9029 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 4820-00-812-9029 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962