5999-00-549-9681

Find complete technical information, availability, and procurement data for: 5999-00-549-9681
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-549-9681

Item Name Code

00448

Assigment Date

01/01/1963 (63 years ago)

An item having the dual function of a relay (as modified) and a switch (as modified) assembled together on a common mounting or in a single inclosure. Contacts may be common to both relay and switch. For relay operated switches, see relay (as modified). Excludes:circuit breaker and relays with protruding shafts.

rotary switch type, 8.375 inches nominal overall length, 5.250 inches nominal overall height, 7.000 inches nominal overall width, automatic switching for ic and fc systems usage design

Product Characteristics

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

Overall Length: 8.375 inches nominal
Overall Height: 5.250 inches nominal
Overall Width: 7.000 inches nominal
Switch Type: rotary
Usage Design: automatic switching for ic and fc systems
Mounting Configuration: panel mounted w/four 3/8 in. -20 thd per in. integral studs on 4 in. by 4 in. mtg centers
Relay Type: armature
Contact Current Type: ac
Maximum Voltage Rating In Volts: 450.0
Current Rating At Maximum Rated Voltage: 50.0 amperes nominal
Coil Current Type: ac
Operating Voltage In Volts: 120.0 nominal
Operating Current In Amps: 1.0 nominal
Maximum Dc Resistance In Ohms: 14.14
Special Features: w/provision for emergency manual operation

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
40253C110V	Relay-Switch
S6202D3-271-895	Relay-Switch

FAQs

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

What is the FSCG of the NSN 5999-00-549-9681?

The FSCG of the NSN 5999-00-549-9681 is 5999

Does the NSN 5999-00-549-9681 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-549-9681 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 5999-00-549-9681 contain precious materials?

Precious metal content is unknown

Does NSN 5999-00-549-9681 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 5999-00-549-9681 was assigned to the Federal Catalog?

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