0604-2

View detailed technical data, stock status, and sourcing information for: 0604-2

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0604-2
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-844-6744
Item Name Code
16988
Assigment Date
12/30/1966 (59 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

threaded external pipe 1st end connection type, plug flow control device, manual valve operation method, plain (pipe) 1st end connection style, right-hand all ends thread direction

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 all ends
Flow Control Device
plug
Connection Style
plain (pipe) 1st end
Valve Operation Method
manual
Connection Type
threaded external pipe 1st end
Maximum Operating Pressure
150.0 pounds per square inch single response
Nominal Thread Size
0.250 inches all ends
Material
copper alloy body
Style Designator
straight thru
Thread Series Designator
npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5120-00-319-0105 No Name Available 10/01/1976
4820-01-169-7580 No Name Available 06/01/1988

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0604-4 Drain Cock
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321-E Drain Cock
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FAQs

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

What is the FSCG of the NSN 4820-00-844-6744?
The FSCG of the NSN 4820-00-844-6744 is 4820
Does the NSN 4820-00-844-6744 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-844-6744 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 4820-00-844-6744 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-844-6744 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 4820-00-844-6744 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Fri, Dec 30, 1966

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