4820-01-443-6985

Find complete technical information, availability, and procurement data for: 4820-01-443-6985
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-443-6985

Item Name Code

32528

Assigment Date

04/16/1997 (29 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

4.000 inches valve size for which designed, threaded externally stem actuating end type, 4 in. ball valve; w/s strategic sealift conversion ships class end item identification, steel corrosion resisting material, ball valve type for which designed

Product Characteristics

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

End Item Identification: 4 in. ball valve; w/s strategic sealift conversion ships class
Valve Type For Which Designed: ball
Valve Size For Which Designed: 4.000 inches
Stem Actuating End Type: threaded externally
Material: steel corrosion resisting

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
HBV-F2-40-0088-BS-07	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-443-6985?

The FSCG of the NSN 4820-01-443-6985 is 4820

Does the NSN 4820-01-443-6985 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-443-6985 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 4820-01-443-6985 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-443-6985 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 4820-01-443-6985 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Wed, Apr 16, 1997