4820-01-643-4853

Find complete technical information, availability, and procurement data for: 4820-01-643-4853
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-643-4853

Item Name Code

77777

Assigment Date

04/02/2015 (11 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

4820-01-643-4853, valve pressure

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
208847 PN 208847-01F	Valve Pressure
208847-01F	Valve Pressure

FAQs

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

What is the FSCG of the NSN 4820-01-643-4853?

The FSCG of the NSN 4820-01-643-4853 is 4820

Does the NSN 4820-01-643-4853 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-643-4853 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 4820-01-643-4853 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-643-4853 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 4820-01-643-4853 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Thu, Apr 2, 2015