F77A125V12A

View detailed technical data, stock status, and sourcing information for: F77A125V12A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5920 Fuses, Arrestors, Absorbers and Protectors

National Stock Number

5920-01-248-5664

Item Name Code

00248

Assigment Date

01/26/1987 (39 years ago)

"a device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes:circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller."

self indicating type body style, 1.265 inches nominal overall length, 12.000 continuous current rating in amps, 1.156 inches minimum and 1.187 inches maximum body length, 0.250 inches minimum and 0.300 inches maximum overall diameter

Product Characteristics

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

Body Style: self indicating type
Overall Length: 1.265 inches nominal
Body Length: 1.156 inches minimum and 1.187 inches maximum
Overall Diameter: 0.250 inches minimum and 0.300 inches maximum
Continuous Current Rating In Amps: 12.000
Maximum Voltage Rating In Volts: 125.0 ac and 125.0 dc
Circuit Over-Current Interruption Type: normal instantaneous
Interruption Indicator Method: terminal-visual or alarm
Features Provided: nonrenewable fusible element
Special Features: when fuse is blown the pin extends 0.172 in. min with 0.750 ounces of force
Material: fiber case
Precious Material And Location: indicating pin surface silver
Precious Material: silver
Surface Treatment: nickel terminal
Test Data Document: "81349-mil-f-15160 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Specification/Standard Data: 81349-mil-f-15160/77 government specification

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
F77A125V12A	Cartridge Fuse
GLD-12	Cartridge Fuse

FAQs

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

What is the FSCG of the NSN 5920-01-248-5664?

The FSCG of the NSN 5920-01-248-5664 is 5920

Does the NSN 5920-01-248-5664 have a Schedule B code assigned?

Yes, the Schedule B code is 8536100040

Does NSN 5920-01-248-5664 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 5920-01-248-5664 contain precious materials?

Item contains silver.

Does NSN 5920-01-248-5664 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 5920-01-248-5664 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, Jan 26, 1987