M28840/26CD1CBS2

View detailed technical data, stock status, and sourcing information for: M28840/26CD1CBS2
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-01-312-7544

Item Name Code

01938

Assigment Date

12/21/1989 (36 years ago)

An item specifically designed to mate with a plug connector to perform one or more special functions, such as to support a plug connector when not in use, short contacts, or open or close electrical circuits, in or on another connector. It does not have provisions for attaching a wire, cable, or contact. It is designed to mount on a panel, bulkhead, wall, or chassis. It does not include connector shells which are merely used to position a plug connector on a panel.

2b thread class, straight shape, internal coupling w/strain relief body style, 7.000 inches maximum body length, right-hand thread direction, 1.593 inches maximum overall diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Body Style: straight shape, internal coupling w/strain relief
Body Length: 7.000 inches maximum
Overall Diameter: 1.593 inches maximum
Environmental Protection: moisture resistant and corrosion resistant and thermal shock resistant and vibration resistant and heat resistant and cold resistant
Cable Entrance Diameter: 0.438 inches minimum and 0.750 inches maximum
Threaded Device Type: coupling facility
Mating End Quantity: 1
Contact Position Arrangement Style: 17-31 single mating end
Contact Removability: removable single mating end single contact grouping
Polarization Method: key, multiple key groove
Insert Position In Deg: 0.0 and 135.0 and 170.0 and 200.0 and 310.0
Shell Type: solid
Connector Locking Method: internally threaded coupling ring
Connector Cable Strain Relief Method: cable clamp
Operating Temp Rating: -55.0 celsius minimum and 200.0 celsius maximum
Thread Quantity Per Inch: 10
Nominal Thread Size: 1.125 inches
Terminal Location: back single mating end single contact grouping
Contact Material: copper alloy single mating end single contact grouping
Contact Surface Treatment: gold single mating end single contact grouping
Insert Material: plastic fluorosilicone single mating end
Contact Surface Treatment Document And Classification: mil-g-45204 mil spec single treatment response single mating end single contact grouping
Terminal Type: crimp single mating end single contact grouping
Shell Material: aluminum
Shell Surface Treatment: cadmium and chromate and nickel
Shell Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec 1st treatment response and qq-p-416,ty 2,cl 3 fed spec 2nd treatment response
Included Contact Quantity: 31 single mating end single contact grouping
Included Contact Type: round socket single mating end single contact grouping
Precious Material And Location: contact surfaces gold
Precious Material And Weight: 0.031 gold grains, troy
Precious Material: gold
Test Data Document: "81349-mil-c-28840 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: double stub
Specification/Standard Data: 81349-mil-c-28840/26 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
M28840/26CD1CBS2	Electrical Plug Connector

FAQs

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

What is the FSCG of the NSN 5935-01-312-7544?

The FSCG of the NSN 5935-01-312-7544 is 5935

Does the NSN 5935-01-312-7544 have a Schedule B code assigned?

Yes, the Schedule B code is 8536695050

Does NSN 5935-01-312-7544 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 5935-01-312-7544 contain precious materials?

Item contains gold.

Does NSN 5935-01-312-7544 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 5935-01-312-7544 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Dec 21, 1989