TS68690

View detailed technical data, stock status, and sourcing information for: TS68690
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-00-252-7952

Item Name Code

00305

Assigment Date

06/18/1973 (53 years ago)

A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also resistor, vaiable (as modified).

internal, rectangular external, rectangular cross-sectional shape style, seamless single tubing segment tubing wall construction style, right-hand first flange all connection facilities thread direction, 2 flange quantity, 2b first flange all connection facilities thread class

Product Characteristics

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

Cross-Sectional Shape Style: internal, rectangular external, rectangular
Thread Class: 2b first flange all connection facilities
Thread Direction: right-hand first flange all connection facilities
Tubing Wall Construction Style: seamless single tubing segment
Flange Quantity: 2
Flange Inside Width: 1.122 inches nominal first flange
Flange Inside Width: 1.312 inches nominal second flange
Flange Inside Height: 0.497 inches nominal first flange
Flange Inside Height: 0.628 inches nominal second flange
Flange Outside Width: 1.875 inches nominal first flange
Flange Outside Width: 1.875 inches nominal second flange
Flange Outside Height: 1.875 inches nominal first flange
Flange Outside Height: 1.875 inches nominal second flange
Flange Inside Diameter: 1.159 inches nominal all flanges
Flange Depth: 0.437 inches nominal second flange
Flange Depth: 0.625 inches nominal first flange
Flange Connecting Hole Diameter: 0.169 inches nominal second flange all connection facilities
Voltage Standing Wave Ratio: 1.12
Thread Quantity Per Inch: 32 first flange all connection facilities
Waveguide Outside Width: 1.246 inches minimum and 1.254 inches maximum
Nominal Thread Size: 0.164 inches first flange all connection facilities
Waveguide Inside Width: 1.118 inches minimum and 1.126 inches maximum
Waveguide Inside Height: 0.493 inches minimum and 0.501 inches maximum
Waveguide Outside Height: 0.621 inches minimum and 0.629 inches maximum
Flange Connecting Facility And Quantity: 4 threaded hole first flange all connection facilities
Flange Connecting Facility And Quantity: 4 unthreaded hole second flange all connection facilities
Flange Style: choke type first flange
Flange Style: cover type second flange
Waveguide Length: 1.750 inches nominal
Flexibility: flexible single tubing segment
Material: copper alloy single tubing segment
Material: rubber natural single tubing jacket
Precious Material And Location: tubing internal surface silver
Precious Material: silver
Surface Treatment: enamel single tubing segment outside surfaces
Surface Treatment: silver single tubing segment inside surfaces
Style Designator: straight type
Thread Series Designator: unc first flange all connection facilities

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
719242-1	Waveguide Assembly
TS68690	Waveguide Assembly

FAQs

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

What is the FSCG of the NSN 5985-00-252-7952?

The FSCG of the NSN 5985-00-252-7952 is 5985

Does the NSN 5985-00-252-7952 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-00-252-7952 require demilitarization?

Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).

Does NSN 5985-00-252-7952 contain precious materials?

Item contains silver.

Does NSN 5985-00-252-7952 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 5985-00-252-7952 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Mon, Jun 18, 1973