M28748/3-C20L1A

View detailed technical data, stock status, and sourcing information for: M28748/3-C20L1A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-01-122-2475

Item Name Code

60653

Assigment Date

11/18/1981 (44 years ago)

An electrical fitting with electrical contacts, constructed to be affixed to the end of a cable, conduit, coaxial line, cord or wiring for convenience in joining with other electrical connector(s) or printed wiring board and is not designed to be mounted on a bulkhead, chasses, panel, printed wiring board, or the like. Excludes:jack, telephone; jack, tip; plug, telephone; plug tip; insert, electrical connector; connector body (as modified); and socket, plug-in, electronic components. See also lead assembly, electrical; wiring harness (as modified); and cable assembly (as modified). For items without inserts, see shell, electrical connector.

0.438 inches nominal overall width, 1.870 inches maximum overall height, right-hand thread direction, 2a and 2b thread class, 1.250 inches nominal 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: 2a and 2b
Thread Direction: right-hand
Overall Length: 1.250 inches nominal
Overall Height: 1.870 inches maximum
Overall Width: 0.438 inches nominal
Environmental Protection: humidity resistant and shock resistant and thermal shock resistant and vibration resistant
Threaded Device Type: coupling facility
Mating End Quantity: 1
Contact Position Arrangement Style: 14 single mating end
Contact Removability: removable single mating end single contact grouping
Contact Maximum Current Rating In Amps: 13.0 single mating end single contact grouping
Polarization Method: jackscrew
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.138 inches
Terminal Location: back single mating end single contact grouping
Contact Surface Treatment: gold single mating end single contact grouping
Insert Material: plastic diallyl phthalate single mating end
Contact Surface Treatment Document And Classification: mil-g-45204,ty 1,grade c mil spec single treatment response single mating end single contact grouping
Terminal Type: crimp single mating end single contact grouping
Insert Material Document And Classification: mil-m-14,ty sdg-f mil spec single material response single mating end
Included Contact Quantity: 14 single mating end single contact grouping
Included Contact Type: round pin single mating end single contact grouping
Precious Material And Location: contact surfaces gold
Precious Material And Weight: 0.014 gold grains, troy
Precious Material: gold
Test Data Document: "81349-mil-c-28748 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: unc
Specification/Standard Data: 81349-mil-c-28748/3 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
M28748/3-C20L1A	Electrical Connector Insert

FAQs

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

What is the FSCG of the NSN 5935-01-122-2475?

The FSCG of the NSN 5935-01-122-2475 is 5935

Does the NSN 5935-01-122-2475 have a Schedule B code assigned?

Yes, the Schedule B code is 8548900100

Does NSN 5935-01-122-2475 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 5935-01-122-2475 contain precious materials?

Item contains gold.

Does NSN 5935-01-122-2475 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 5935-01-122-2475 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Nov 18, 1981