M81511-03E18-85S4

View detailed technical data, stock status, and sourcing information for: M81511-03E18-85S4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-00-468-4259

Item Name Code

15093

Assigment Date

03/03/1972 (54 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

1.275 inches minimum and 1.340 inches maximum overall length, 1.725 inches minimum and 1.745 inches maximum overall diameter, straight shape, external coupling body style, 2a thread class, right-hand thread direction

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, external coupling
Overall Length: 1.275 inches minimum and 1.340 inches maximum
Overall Diameter: 1.725 inches minimum and 1.745 inches maximum
Environmental Protection: pressure proof and moisture resistant and vibration resistant
Distance From Mounting Shoulder To Front Face: 0.770 inches minimum and 0.778 inches maximum
Mounting Facility Thickness: 0.125 inches maximum
Threaded Device Type: back shell and mounting bushing
Mating End Quantity: 1
Contact Position Arrangement Style: 18-85 single mating end
Contact Removability: removable single mating end single contact grouping
Polarization Method: key, multiple key groove
Insert Position In Deg: 276.0 and 208.0 and 156.0 and 26.0
Shell Type: solid
Connector Locking Method: bayonet pin
Thread Quantity Per Inch: 28 and 20
Nominal Thread Size: 1.125 inches and 1.250 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,comp 6061 t6 fed spec single material response
Included Contact Quantity: 85 single mating end single contact grouping
Bushing Accommodation Hole Shape: round w/flat
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-81511/3 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
348-43E18-85S	Electrical Receptacle Connector
M81511-03E18-85S4	Electrical Receptacle Connector
M81511/03EF0154	Electrical Receptacle Connector
M81511/03EF01S4	Electrical Receptacle Connector

FAQs

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

What is the FSCG of the NSN 5935-00-468-4259?

The FSCG of the NSN 5935-00-468-4259 is 5935

Does the NSN 5935-00-468-4259 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907080

Does NSN 5935-00-468-4259 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 5935-00-468-4259 contain precious materials?

Item contains gold.

Does NSN 5935-00-468-4259 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 5935-00-468-4259 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Mar 3, 1972