JT3400KB28-21B

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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-00-766-9940

Item Name Code

61925

Assigment Date

04/14/1972 (54 years ago)

2b thread class, right-hand thread direction, straight shape, external coupling body style, 1.969 inches minimum and 2.031 inches maximum overall height, 2.125 inches maximum overall 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, external coupling
Overall Length: 2.125 inches maximum
Overall Height: 1.969 inches minimum and 2.031 inches maximum
Overall Width: 1.969 inches minimum and 2.031 inches maximum
Environmental Protection: moisture resistant and salt water resistant and vibration resistant
Unthreaded Mounting Hole Diameter: 0.172 inches minimum and 0.187 inches maximum
Center To Center Distance Between Mounting Facilities Parallel To Height: 1.546 inches minimum and 1.578 inches maximum
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width: 1.546 inches minimum and 1.578 inches maximum
Distance From Mounting Shoulder To Front Face: 0.750 inches minimum and 0.781 inches maximum
Threaded Device Type: coupling facility
Mating End Quantity: 1
Contact Position Arrangement Style: 28-21 single mating end
Polarization Method: keyway or multiple keyway
Insert Position In Deg: 0.0
Shell Type: solid
Connector Locking Method: internally threaded coupling ring
Nominal Thread Length: 0.812 inches
Thread Quantity Per Inch: 18
Nominal Thread Size: 1.750 inches
Shell Material: steel
Shell Surface Treatment: cadmium
Thread Series Designator: uns

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
238-3400K28-21S101	Electr Receptacle Connector Body
30-049K28-21S	Electr Receptacle Connector Body
FC3400K28-21S3	Electr Receptacle Connector Body
FRF0-28-21SL	Electr Receptacle Connector Body
JT3400KB28-21B	Electr Receptacle Connector Body

FAQs

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

What is the FSCG of the NSN 5935-00-766-9940?

The FSCG of the NSN 5935-00-766-9940 is 5935

Does the NSN 5935-00-766-9940 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907080

Does NSN 5935-00-766-9940 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 5935-00-766-9940 contain precious materials?

Precious metal content is unknown

Does NSN 5935-00-766-9940 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 5935-00-766-9940 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Apr 14, 1972