SM-B-189681

View detailed technical data, stock status, and sourcing information for: SM-B-189681
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5920 Fuses, Arrestors, Absorbers and Protectors

National Stock Number

5920-00-509-5040

Item Name Code

28909

Assigment Date

01/01/1963 (63 years ago)

bushing mounted type body style, unable to decode terminal material, unable to decode body material, unable to decode terminal surface treatment, 2.188 inches nominal overall length

Product Characteristics

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

Body Material: unable to decode
Body Style: bushing mounted type
Terminal Material: unable to decode
Terminal Surface Treatment: unable to decode
Overall Length: 2.188 inches nominal
Bushing Diameter: 0.625 inches nominal
Mounting Hole Quantity: 1
Overall Diameter: 0.813 inches nominal
Environmental Protection: dripproof and vibration proof
Mounting Hole Style: bushing mounting
Contact Material: unable to decode
Interruption Indicator Method: neon lamp
Fuse Accommodation Quantity: 1
Accommodated Fuse Length: 1.250 inches nominal
Accommodated Ferrule Diameter: 0.250 inches nominal
Resistor Rating: 220.0 kilohms
Indicating Lamp Voltage Range In Volts: +125.0 to 250.0
Length From Front Protrusion To Mounting Surface: 0.500 inches nominal
Bushing Thread Length: 0.438 inches nominal
Cap Diameter: 0.812 inches nominal
Bushing Hole Diameter: 0.625 inches minimum and 0.635 inches maximum
Flatted Side Bushing Hole Length: 0.585 inches minimum and 0.595 inches maximum
Current Carrying Rating In Amps: 20.0
Fuse Terminal Type Accommodated: ferrule
Voltage In Volts: 500.0
Terminal Type And Quantity: 2 tab, solder lug

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
HKL-90-500	Extractor Post Fuseholder
SM-B-189681	Extractor Post Fuseholder

FAQs

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

What is the FSCG of the NSN 5920-00-509-5040?

The FSCG of the NSN 5920-00-509-5040 is 5920

Does the NSN 5920-00-509-5040 have a Schedule B code assigned?

Yes, the Schedule B code is 8548900100

Does NSN 5920-00-509-5040 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 5920-00-509-5040 contain precious materials?

Precious metal content is unknown

Does NSN 5920-00-509-5040 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 5920-00-509-5040 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963