BT02E20-41S

View detailed technical data, stock status, and sourcing information for: BT02E20-41S
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-01-108-8461

Item Name Code

15093

Assigment Date

03/06/1981 (45 years ago)

An electrical fitting with electrical contacts constructed to be affixed to the end of a cable, conduit, coaxial line, cord, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector or printed wiring board. It is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. Excludes:lampholder; jack,telephone; jack,tip; insert electrical connector; insert module,electrical connector; connector body (as modified) and socket,plug-in electronic components. See also wiring harness (as modified) and cable assembly (as modified). For items with termination wires of more than four inches in length, see lead assembly,electrical. For items without inserts, see shell,electrical connector.

right-hand thread direction, 1.275 inches maximum overall length, straight shape, external coupling body style, 1.453 inches nominal overall height, 2a thread class

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 maximum
Overall Height: 1.453 inches nominal
Overall Width: 1.453 inches nominal
Environmental Protection: moisture proof and salt water resistant and vibration proof
Unthreaded Mounting Hole Diameter: 0.120 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Height: 1.156 inches nominal
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width: 1.156 inches nominal
Distance From Mounting Shoulder To Front Face: 0.556 inches minimum and 0.587 inches maximum
Threaded Device Type: back shell
Mating End Quantity: 1
Contact Position Arrangement Style: 20-41 single mating end
Contact Removability: removable single mating end single contact grouping
Contact Maximum Ac Voltage Rating In Volts: 1000.0 single mating end single contact grouping
Polarization Method: keyway or multiple keyway
Insert Position In Deg: 234.0
Shell Type: solid
Connector Locking Method: bayonet pin
Nominal Thread Length: 0.290 inches
Thread Quantity Per Inch: 18
Nominal Thread Size: 1.188 inches
Terminal Location: back single mating end single contact grouping
Contact Surface Treatment: gold and nickel single mating end single contact grouping
Contact Surface Treatment Document And Classification: mil-g-45204,type 1,class 1,grade c mil spec 1st treatment response and qq-n-290,grade e fed spec 2nd 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: cadmium
Shell Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response
Shell Material Document And Classification: qq-a-367,comp 6061-t6 fed spec single material response
Included Contact Quantity: 41 single mating end single contact grouping
Included Contact Type: round socket single mating end single contact grouping
Special Features: in order to complete the connector assembly,the user must obtain/provide the backshell. standard versions may be ordered as nsn 5935-01-183-6491,p/n m85049/52-1-20w for the straight style,or nsn 5935-01-186-5610,p/n m85049/51-1-20w for the right angle style.
Precious Material And Location: contact surfaces gold
Precious Material And Weight: 0.041 gold grains, troy
Precious Material: gold
Test Data Document: "81349-mil-c-26482 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: unef
Specification/Standard Data: 96906-ms3470 government standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5935-00-144-1889	No Name Available	09/01/1991
5935-00-826-1013	No Name Available	01/01/2009
5935-01-058-0800	No Name Available	03/31/2021

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
71-300220-41S	Electrical Receptacle Connector
BT02E20-41S	Electrical Receptacle Connector
M83723-01F2041X	Electrical Receptacle Connector
M83723/03R2041X	Electrical Receptacle Connector
MB10A-2041SX	Electrical Receptacle Connector
MS3110F20-41SX	Electrical Receptacle Connector
MS3112E20-41SX	Electrical Receptacle Connector
MS3470W20-41SX	Electrical Receptacle Connector
MS3472L20-41SX	Electrical Receptacle Connector
PTPS00DRL20-41SX	Electrical Receptacle Connector
PV72L20-41SX	Electrical Receptacle Connector

FAQs

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

What is the FSCG of the NSN 5935-01-108-8461?

The FSCG of the NSN 5935-01-108-8461 is 5935

Does the NSN 5935-01-108-8461 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907080

Does NSN 5935-01-108-8461 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 5935-01-108-8461 contain precious materials?

Item contains gold.

Does NSN 5935-01-108-8461 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 5935-01-108-8461 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Fri, Mar 6, 1981