5985-01-271-7255

Find complete technical information, availability, and procurement data for: 5985-01-271-7255
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-01-271-7255

Item Name Code

00305

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

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 single connection facility
Thread Direction: right-hand first flange single connection facility
Thread Direction: right-hand second flange single connection facility
Tubing Wall Construction Style: convolute single tubing segment
Flange Quantity: 3
Flange Inside Width: 0.279 inches minimum and 0.281 inches maximum first flange
Flange Inside Width: 0.279 inches minimum and 0.281 inches maximum second flange
Flange Inside Width: 0.362 inches minimum third flange
Flange Inside Height: 0.139 inches minimum and 0.141 inches maximum first flange
Flange Inside Height: 0.139 inches minimum and 0.141 inches maximum second flange
Flange Inside Height: 0.222 inches minimum third flange
Flange Outside Width: 0.735 inches minimum and 0.765 inches maximum first flange
Flange Outside Width: 0.735 inches minimum and 0.765 inches maximum second flange
Flange Outside Width: 0.745 inches minimum and 0.755 inches maximum third flange
Flange Outside Height: 0.735 inches minimum and 0.765 inches maximum second flange
Flange Outside Height: 0.745 inches minimum and 0.755 inches maximum third flange
Flange Outside Height: 0.735 inches minimum and 0.765 inches maximum first flange
Flange Inside Diameter: 0.485 inches minimum and 0.515 inches maximum first flange
Flange Inside Diameter: 0.485 inches minimum and 0.515 inches maximum second flange
Flange Depth: 0.182 inches minimum and 0.192 inches maximum third flange
Flange Depth: 0.195 inches minimum and 0.225 inches maximum first flange
Flange Depth: 0.195 inches minimum and 0.225 inches maximum second flange
Flange Connecting Hole Diameter: 0.116 inches minimum third flange single connection facility
Voltage Standing Wave Ratio: 1.10
Insertion Loss In Decibels: 0.25
Thread Quantity Per Inch: 40 first flange single connection facility
Thread Quantity Per Inch: 40 second flange single connection facility
Maximum Operating Pressure: 30.0 pounds per square inch gage
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 single 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
Waveguide Longer Offset Distance: 3.910 inches minimum and 3.970 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 single connection facility
Flange Connecting Facility And Quantity: 4 unthreaded hole third flange single connection facility
Flange Style: choke type first flange
Flange Style: choke type second flange
Flange Style: cover type third flange
Waveguide Offset Distance: 2.920 inches minimum and 2.980 inches maximum
Special Features: first and second flange installed diametrically opposite each other
Flexibility: flexible single tubing segment
Material: copper alloy single tubing segment and flange
Precious Material And Location: external surfaces silver
Precious Material: silver
Surface Treatment: silver single tubing segment and flange outside surfaces
Style Designator: bend type
Thread Series Designator: unc first flange single connection facility
Thread Series Designator: unc second flange single 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
17-19097-1	Waveguide Assembly

FAQs

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

What is the FSCG of the NSN 5985-01-271-7255?

The FSCG of the NSN 5985-01-271-7255 is 5985

Does the NSN 5985-01-271-7255 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-01-271-7255 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 5985-01-271-7255 contain precious materials?

Item contains silver.

Does NSN 5985-01-271-7255 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 5985-01-271-7255 was assigned to the Federal Catalog?

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