GK12-3-21C-1/2

View detailed technical data, stock status, and sourcing information for: GK12-3-21C-1/2
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-00-581-1341

Item Name Code

01938

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 1.359 inches nominal overall diameter, straight shape, internal coupling w/strain relief body style, 2b thread class, 2.188 inches nominal body length

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: 2.188 inches nominal
Overall Diameter: 1.359 inches nominal
Cable Entrance Diameter: 0.531 inches nominal
Threaded Device Type: coupling facility
Mating End Quantity: 1
Contact Position Arrangement Style: gk-12 single mating end
Contact Removability: nonremovable single mating end single contact grouping
Contact Maximum Current Rating In Amps: 10.0 single mating end single contact grouping
Polarization Method: keyway or multiple keyway
Insert Position In Deg: 0.0
Shell Type: solid
Connector Locking Method: internally threaded coupling ring
Connector Cable Strain Relief Method: cable clamp
Thread Quantity Per Inch: 6
Nominal Thread Size: 1.188 inches
Terminal Location: back single mating end single contact grouping
Contact Material: copper alloy single mating end single contact grouping
Contact Surface Treatment: silver single mating end single contact grouping
Insert Material: plastic melamine or plastic phenolic single mating end
Contact Surface Treatment Document And Classification: qq-s-365,ty 2,gr a fed spec single treatment response single mating end single contact grouping
Terminal Type: solder well single mating end single contact grouping
Shell Material: aluminum alloy 380.0 or aluminum alloy 2011
Shell Surface Treatment: cadmium and chromate
Shell Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses
Shell Material Document And Classification: qq-a-591d fed spec single material response or qq-a-225/3 fed spec single material response
Insert Material Document And Classification: mil-m-14,ty cmg mil spec 1st material response single mating end
Included Contact Quantity: 12 single mating end single contact grouping
Included Contact Type: round socket single mating end single contact grouping
Precious Material And Location: contact surfaces silver
Precious Material And Weight: 0.012 silver grains, troy
Precious Material: silver
Thread Series Designator: special acme

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
41990B	Electrical Plug Connector
8896328	Electrical Plug Connector
GK12-3-21C-1/2	Electrical Plug Connector

FAQs

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

What is the FSCG of the NSN 5935-00-581-1341?

The FSCG of the NSN 5935-00-581-1341 is 5935

Does the NSN 5935-00-581-1341 have a Schedule B code assigned?

Yes, the Schedule B code is 8536695050

Does NSN 5935-00-581-1341 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 5935-00-581-1341 contain precious materials?

Item contains silver.

Does NSN 5935-00-581-1341 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 5935-00-581-1341 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963