5985-01-218-3871

Find complete technical information, availability, and procurement data for: 5985-01-218-3871
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-01-218-3871

Item Name Code

00305

Assigment Date

10/11/1985 (40 years ago)

seamless all tubing segment tubing wall construction style, 2b first flange all connection facilities thread class, right-hand first flange all connection facilities thread direction, internal, rectangular external, rectangular cross-sectional shape style, 90.0 all bends h-plane bend angle in deg

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
Bend Angle In Deg: 90.0 all bends h-plane
Tubing Wall Construction Style: seamless all tubing segment
Flange Quantity: 2
Flange Inside Width: 0.620 inches minimum and 0.624 inches maximum first flange
Flange Inside Width: 0.705 inches minimum and 0.707 inches maximum second flange
Flange Inside Height: 0.309 inches minimum and 0.313 inches maximum first flange
Flange Inside Height: 0.394 inches minimum and 0.396 inches maximum second flange
Flange Outside Width: 1.297 inches minimum and 1.327 inches maximum first flange
Flange Outside Width: 1.298 inches minimum and 1.328 inches maximum second flange
Flange Outside Height: 1.297 inches minimum and 1.327 inches maximum first flange
Flange Outside Height: 1.298 inches minimum and 1.328 inches maximum second flange
Flange Inside Diameter: 0.985 inches minimum and 1.015 inches maximum first flange
Flange Depth: 0.298 inches minimum and 0.328 inches maximum second flange
Flange Depth: 0.360 inches minimum and 0.390 inches maximum first flange
Flange Connecting Hole Diameter: 0.144 inches minimum and 0.147 inches maximum second flange all connection facilities
Voltage Standing Wave Ratio: 1.12
Insertion Loss In Decibels: 0.20
Maximum Operating Pressure: 10.0 pounds per square inch gage
Waveguide Outside Width: 0.699 inches minimum and 0.705 inches maximum
Nominal Thread Size: 0.138 inches first flange all connection facilities
Waveguide Inside Width: 0.6195 inches minimum and 0.6245 inches maximum
Waveguide Inside Height: 0.3085 inches minimum and 0.3135 inches maximum
Waveguide Outside Height: 0.388 inches minimum and 0.394 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 Center To Center Distance: 6.850 inches nominal
Waveguide Height: 7.000 inches nominal
Special Features: arc detector included
Flexibility: rigid all tubing segment
Material: copper alloy all tubing segment and flange
Surface Treatment: chromate and paint all tubing segment and flange outside surfaces
Style Designator: double bend type
Thread Series Designator: unc first flange all connection facilities
Fsc Application Data: antennas,waveguides,and related 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
230223	Waveguide Assembly
5335922	Waveguide Assembly
5985PL1264712	Waveguide Assembly

FAQs

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

What is the FSCG of the NSN 5985-01-218-3871?

The FSCG of the NSN 5985-01-218-3871 is 5985

Does the NSN 5985-01-218-3871 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-01-218-3871 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 5985-01-218-3871 contain precious materials?

Item does not contain precious metal.

Does NSN 5985-01-218-3871 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 5985-01-218-3871 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Oct 11, 1985