4820-01-452-7208

Find complete technical information, availability, and procurement data for: 4820-01-452-7208
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-452-7208

Item Name Code

32528

Assigment Date

02/04/1998 (28 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.

4.350 inches nominal overall length, 0.250 inches and 0.500 inches valve size for which designed, ball valve type for which designed, seawolf ssn end item identification, 1.050 inches nominal largest outside diameter

Product Characteristics

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

Overall Length: 4.350 inches nominal
End Item Identification: seawolf ssn
Largest Outside Diameter: 1.050 inches nominal
Valve Type For Which Designed: ball
Valve Size For Which Designed: 0.250 inches and 0.500 inches
Stem Actuating End Type: threaded externally
Valve Model Number For Which Designed: 6408783
Special Features: stem end,0.438-14unc-3a thd,0.850 in.lg
Material: nickel alloy
Material Document And Classification: qq-n-286 form 2,cond-anl fed spec single material response

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
6408783	Fluid Valve Stem
DF330643	Fluid Valve Stem
DF330643 FN 14	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-452-7208?

The FSCG of the NSN 4820-01-452-7208 is 4820

Does the NSN 4820-01-452-7208 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-452-7208 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 4820-01-452-7208 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-452-7208 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 4820-01-452-7208 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Feb 4, 1998