GK12-21 5-8AC

View detailed technical data, stock status, and sourcing information for: GK12-21 5-8AC
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-00-204-7950

Item Name Code

01938

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, straight shape, external coupling w/backshell body style, 2.000 inches minimum and 2.060 inches maximum overall length, 2g thread class, +0.333 to 0.353 inches thread pitch diameters

Product Characteristics

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

Thread Class: 2g
Thread Pitch Diameters: +0.333 to 0.353 inches
Thread Direction: right-hand
Body Style: straight shape, external coupling w/backshell
Overall Length: 2.000 inches minimum and 2.060 inches maximum
Overall Diameter: 1.330 inches minimum and 1.390 inches maximum
Threaded Device Type: back shell and coupling facility
Mating End Quantity: 1
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: 45.0
Shell Type: solid
Connector Locking Method: internally threaded coupling nut
Nominal Thread Length: 0.440 inches
Thread Quantity Per Inch: 3
Nominal Thread Size: 2.125 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 single mating end
Terminal Type: solder well single mating end single contact grouping
Shell Material: aluminum alloy
Shell Surface Treatment: cadmium or tin
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: 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
921016-4	Electrical Plug Connector
GK12-21 5-8AC	Electrical Plug Connector

FAQs

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

What is the FSCG of the NSN 5935-00-204-7950?

The FSCG of the NSN 5935-00-204-7950 is 5935

Does the NSN 5935-00-204-7950 have a Schedule B code assigned?

Yes, the Schedule B code is 8536695050

Does NSN 5935-00-204-7950 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 5935-00-204-7950 contain precious materials?

Item contains silver.

Does NSN 5935-00-204-7950 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 5935-00-204-7950 was assigned to the Federal Catalog?

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