M81511/26EF01S4

View detailed technical data, stock status, and sourcing information for: M81511/26EF01S4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-00-520-3651

Item Name Code

01938

Assigment Date

03/31/1972 (54 years ago)

right-hand thread direction, 1.380 inches minimum and 1.445 inches maximum overall length, 2a thread class, 1.445 inches minimum and 1.475 inches maximum overall diameter, straight shape, internal coupling body style

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Body Style: straight shape, internal coupling
Overall Length: 1.380 inches minimum and 1.445 inches maximum
Overall Diameter: 1.445 inches minimum and 1.475 inches maximum
Environmental Protection: moisture resistant and salt water resistant and vibration resistant
Threaded Device Type: back shell
Mating End Quantity: 1
Contact Position Arrangement Style: 18-85 single mating end
Contact Removability: removable single mating end single contact grouping
Polarization Method: keyway or multiple keyway
Insert Position In Deg: 66.0 and 140.0 and 200.0 and 257.0
Shell Type: solid
Connector Locking Method: spring friction
Thread Quantity Per Inch: 28
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
Contact Surface Treatment Document And Classification: mil-g-45204,type 1,class 2 mil spec single treatment response single mating end single contact grouping
Terminal Type: crimp single mating end single contact grouping
Shell Material: aluminum alloy 6061
Shell Surface Treatment: chromium
Shell Material Document And Classification: qq-a-367,t6 fed spec single material response
Included Contact Quantity: 85 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: 0.085 gold grains, troy
Precious Material: gold
Test Data Document: "81349-mil-c-81511 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: un
Specification/Standard Data: 81349-mil-c-81511/26 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
348-36E18-85S4	Electrical Plug Connector
M81511-26E18-85S4	Electrical Plug Connector
M81511/26EF01S3	Electrical Plug Connector
M81511/26EF01S4	Electrical Plug Connector

FAQs

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

What is the FSCG of the NSN 5935-00-520-3651?

The FSCG of the NSN 5935-00-520-3651 is 5935

Does the NSN 5935-00-520-3651 have a Schedule B code assigned?

Yes, the Schedule B code is 8536695050

Does NSN 5935-00-520-3651 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 5935-00-520-3651 contain precious materials?

Item contains gold.

Does NSN 5935-00-520-3651 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 5935-00-520-3651 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Mar 31, 1972