5985-01-271-7248

Find complete technical information, availability, and procurement data for: 5985-01-271-7248
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-01-271-7248

Item Name Code

00186

Assigment Date

01/29/1988 (38 years ago)

An item consisting of one or more definite lengths of straight or formed, flexible or rigid, prefabricated hollow tubing of conductive material. The tubing has a predetermined cross section and is designed to guide or conduct high frequency electromagnetic energy through its interior. One or more ends are terminated. May include common mounting of a switch, wave guide, a dummy load, electrical and other components such as waveguide section, cable terminal chamber and the like. Excludes:coupler,rotary,radio frequency; coupler, directional; adapter,waveguide; and tuner, waveguide.

2b second flange first connection facility thread class, 2b first flange single connection facility thread class, right-hand second flange first connection facility thread direction, right-hand first flange single connection facility thread direction, internal, rectangular external, rectangular cross-sectional shape style

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 single connection facility
Thread Class: 2b second flange first connection facility
Thread Direction: right-hand first flange single connection facility
Thread Direction: right-hand second flange first connection facility
Tubing Wall Construction Style: seamless single tubing segment
Tubing Twist Type: straight twist single tubing segment
Tubing Twist Angle In Deg: 90.0 single tubing segment
Flange Quantity: 2
Flange Inside Width: 0.279 inches minimum and 0.281 inches maximum first flange
Flange Inside Width: 0.362 inches minimum and 0.363 inches maximum second flange
Flange Inside Height: 0.139 inches minimum and 0.141 inches maximum first flange
Flange Inside Height: 0.222 inches minimum and 0.223 inches maximum second flange
Flange Outside Width: 0.735 inches minimum and 0.765 inches maximum first flange
Flange Outside Width: 1.490 inches minimum and 1.510 inches maximum second flange
Flange Outside Height: 0.735 inches minimum and 0.765 inches maximum first flange
Flange Outside Height: 1.490 inches minimum and 1.510 inches maximum second flange
Flange Inside Diameter: 0.485 inches minimum and 0.515 inches maximum first flange
Flange Depth: 0.195 inches minimum and 0.225 inches maximum first flange
Flange Depth: 0.240 inches minimum and 0.260 inches maximum second flange
Flange Connecting Hole Diameter: 0.146 inches minimum and 0.166 inches maximum second flange second connection facility
Voltage Standing Wave Ratio: 1.10
Insertion Loss In Decibels: 0.20
Adapter Length: 7.874 inches minimum and 7.875 inches maximum
Thread Quantity Per Inch: 40 first flange single connection facility
Thread Quantity Per Inch: 40 second flange first connection facility
Waveguide Outside Width: 0.358 inches minimum and 0.362 inches maximum
Nominal Thread Size: 0.112 inches first flange single connection facility
Nominal Thread Size: 0.112 inches second flange first connection facility
Waveguide Inside Width: 0.279 inches minimum and 0.282 inches maximum
Waveguide Inside Height: 0.139 inches minimum and 0.142 inches maximum
Waveguide Outside Height: 0.218 inches minimum and 0.222 inches maximum
Flange Connecting Facility And Quantity: 4 threaded hole first flange single connection facility
Flange Connecting Facility And Quantity: 4 threaded hole second flange first connection facility
Flange Connecting Facility And Quantity: 4 unthreaded hole second flange second connection facility
Flange Style: choke type first flange
Flange Style: cover type second flange
Material: copper alloy single tubing segment and flange
Precious Material And Location: external surfaces gold and external surfaces silver
Precious Material: gold and silver
Surface Treatment: silver and gold single tubing segment and flange outside surfaces
Style Designator: waveguide to waveguide
Thread Series Designator: unc first flange single connection facility
Thread Series Designator: unc second flange first connection facility
Fsc Application Data: radar equipment

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
BAS24336	Waveguide Adapter
MA57457	Waveguide Adapter

FAQs

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

What is the FSCG of the NSN 5985-01-271-7248?

The FSCG of the NSN 5985-01-271-7248 is 5985

Does the NSN 5985-01-271-7248 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-01-271-7248 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 5985-01-271-7248 contain precious materials?

Item contains combination of two or more precious metals (silver, gold, platinum).

Does NSN 5985-01-271-7248 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 5985-01-271-7248 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Jan 29, 1988