5920-01-643-3978

Find complete technical information, availability, and procurement data for: 5920-01-643-3978
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5920 Fuses, Arrestors, Absorbers and Protectors

National Stock Number

5920-01-643-3978

Item Name Code

21899

Assigment Date

03/31/2015 (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, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

5920-01-643-3978, overvoltage absorber

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
5KP48A-E3	Overvoltage Absorber
5SK48A-E3/54	Overvoltage Absorber

FAQs

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

What is the FSCG of the NSN 5920-01-643-3978?

The FSCG of the NSN 5920-01-643-3978 is 5920

Does the NSN 5920-01-643-3978 have a Schedule B code assigned?

Yes, the Schedule B code is 8535400000

Does NSN 5920-01-643-3978 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 5920-01-643-3978 contain precious materials?

Item does not contain precious metal.

Does NSN 5920-01-643-3978 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5920-01-643-3978 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Tue, Mar 31, 2015