M287/3-43-0260

View detailed technical data, stock status, and sourcing information for: M287/3-43-0260
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-01-241-6993

Item Name Code

00305

Assigment Date

09/30/1986 (39 years ago)

internal, rectangular external, rectangular cross-sectional shape style, right-hand first flange all connection facilities thread direction, 2b first flange all connection facilities thread class, twistable single tubing segment tubing twist type, 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 first flange all connection facilities
Thread Direction: right-hand first flange all connection facilities
Tubing Wall Construction Style: seamless single tubing segment
Tubing Twist Type: twistable single tubing segment
Tubing Twist Angle In Deg: 95.0 single tubing segment
Flange Quantity: 2
Flange Inside Width: 0.900 inches nominal first flange
Flange Inside Width: 1.003 inches nominal second flange
Flange Inside Height: 0.400 inches nominal first flange
Flange Inside Height: 0.505 inches nominal second flange
Flange Outside Width: 1.625 inches nominal first flange
Flange Outside Width: 1.625 inches nominal second flange
Flange Outside Height: 1.625 inches nominal second flange
Flange Outside Height: 1.625 inches nominal first flange
Flange Inside Diameter: 0.909 inches nominal first flange
Flange Depth: 0.438 inches nominal first flange
Flange Depth: 0.438 inches nominal second flange
Flange Connecting Hole Diameter: 0.169 inches nominal second flange all connection facilities
Voltage Standing Wave Ratio: 1.15
Thread Quantity Per Inch: 32 first flange all connection facilities
Maximum Operating Pressure: 30.0 pounds per square inch gage
Waveguide Outside Width: 1.000 inches nominal
Nominal Thread Size: 0.164 inches first flange all connection facilities
Waveguide Inside Width: 0.900 inches nominal
Waveguide Inside Height: 0.400 inches nominal
Waveguide Outside Height: 0.500 inches nominal
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: 26.000 inches nominal
Flexibility: flexible single tubing segment
Material: copper alloy all flange
Style Designator: straight type
Thread Series Designator: unc first flange all connection facilities
Specification/Standard Data: 81349-mil-w-287/3 government specification

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
FG090ACCB26	Waveguide Assembly
M287/3-43-0260	Waveguide Assembly

FAQs

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

What is the FSCG of the NSN 5985-01-241-6993?

The FSCG of the NSN 5985-01-241-6993 is 5985

Does the NSN 5985-01-241-6993 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-01-241-6993 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 5985-01-241-6993 contain precious materials?

Item does not contain precious metal.

Does NSN 5985-01-241-6993 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 5985-01-241-6993 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Sep 30, 1986