5985-01-271-7254

Find complete technical information, availability, and procurement data for: 5985-01-271-7254
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-01-271-7254

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.

internal, rectangular external, rectangular cross-sectional shape style, 2 flange quantity, right-hand second flange single connection facility thread direction, 2b second flange single connection facility thread class, seamless single tubing segment tubing wall construction 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 second flange single connection facility
Thread Direction: right-hand second flange single connection facility
Tubing Wall Construction Style: seamless single tubing segment
Flange Quantity: 2
Flange Inside Width: 0.279 inches minimum and 0.281 inches maximum second flange
Flange Inside Width: 0.362 inches minimum first flange
Flange Inside Height: 0.139 inches minimum and 0.141 inches maximum second flange
Flange Inside Height: 0.222 inches minimum 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 first 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 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 first flange
Flange Depth: 0.195 inches minimum and 0.225 inches maximum second flange
Flange Connecting Hole Diameter: 0.116 inches minimum first flange single connection facility
Voltage Standing Wave Ratio: 1.10
Insertion Loss In Decibels: 0.40
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 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
Criticality Code Justification: feat
Waveguide Outside Height: 0.218 inches minimum and 0.222 inches maximum
Flange Connecting Facility And Quantity: 4 threaded hole second flange single connection facility
Flange Connecting Facility And Quantity: 4 unthreaded hole first flange single connection facility
Flange Style: choke type second flange
Flange Style: cover type first flange
Waveguide Length: 9.392 inches minimum and 9.412 inches maximum
Waveguide Center To Center Distance: 2.328 inches minimum and 2.348 inches maximum
Special Features: weapon system essential
Flexibility: rigid single tubing segment
Material: copper alloy single tubing segment and flange
Precious Material And Location: external surfaces silver
Precious Material: silver
Surface Treatment: primer single tubing segment and flange outside surfaces
Style Designator: offset bend type
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
1062496-7	Waveguide Assembly
17-19096-7	Waveguide Assembly

FAQs

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

What is the FSCG of the NSN 5985-01-271-7254?

The FSCG of the NSN 5985-01-271-7254 is 5985

Does the NSN 5985-01-271-7254 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-01-271-7254 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 5985-01-271-7254 contain precious materials?

Item contains silver.

Does NSN 5985-01-271-7254 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 5985-01-271-7254 was assigned to the Federal Catalog?

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