6990-1B

View detailed technical data, stock status, and sourcing information for: 6990-1B
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-01-017-3143

Item Name Code

37403

Assigment Date

03/06/1976 (50 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self-supporting. The item must have inherent characteristics of inducing self-inductance. Opposition to current flow is an inherent property of the resistance wire and is manifested by the heat dissipation in the resistor. Exclut s suppressor, ignition interference. See also resistor (1), fixed, wire wound, noninductive.

6.000 ohms electrical resistance, 2 fixed tap quantity, -0.300 to 0.300 resistance tolerance in percent, 105.0 ambient temp in deg celsius at zero percent rated power, not established reliability indicator

Product Characteristics

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

Electrical Resistance: 6.000 ohms
Resistance Tolerance In Percent: -0.300 to 0.300
Fixed Tap Quantity: 2
Ambient Temp In Deg Celsius At Zero Percent Rated Power: 105.0
Reliability Indicator: not established
Terminal Length: 0.875 inches nominal
Body Length: 1.750 inches nominal
Body Width: 1.031 inches nominal
Body Height: 0.125 inches nominal
Power Dissipation Rating In Watts: 4.000 free air
Ambient Temp At Full Rated Power: 25.0 celsius
Inclosure Type: encapsulated
Section Nominal Resistance: 2.000 kilohms 1st section
Fixed Tap Terminal Type: wire lead
Terminal Type: wire lead
Style Designator: terminals one edge

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
6990-1B	Resistor,fixed,wire Wound,induct
6990-3002	Resistor,fixed,wire Wound,induct

FAQs

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

What is the FSCG of the NSN 5905-01-017-3143?

The FSCG of the NSN 5905-01-017-3143 is 5905

Does the NSN 5905-01-017-3143 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-01-017-3143 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 5905-01-017-3143 contain precious materials?

Precious metal content is unknown

Does NSN 5905-01-017-3143 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5905-01-017-3143 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sat, Mar 6, 1976