NSN 5920-00-397-0802, 5920003970802
MICROFUSE

Federal Supply Classification: FSC 5920 - Fuses, Arrestors, Absorbers, and Protectors
National Item Identification Number: NIIN 003970802
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5920-00-397-0802

National Stock Number (NSN) 5920-00-397-0802, or NIIN 003970802, (microfuse) was assigned April 12, 1974 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 6 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5920003970802 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) PLUG-IN MICROFUSE,125 V MAX,0.125 AMP,BLOW TIME 4 HRS MIN AT 100 PCT,5 SEC MAX AT 200 PCT,METALCAP,0.230 IN.TO 0.240 IN.DIA,BODY 0.290 IN.H,TWO PINTERMINALS 0.170 IN.L 0.100 IN.APART