M28748/4-K4BL2A

View detailed technical data, stock status, and sourcing information for: M28748/4-K4BL2A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-01-346-8610

Item Name Code

15093

Assigment Date

10/11/1991 (34 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.

1.550 inches nominal overall height, right-hand thread direction, 2.578 inches minimum and 2.670 inches maximum overall length, 2a and 2b thread class, 1.370 inches maximum overall width

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: 2.578 inches minimum and 2.670 inches maximum
Overall Height: 1.550 inches nominal
Overall Width: 1.370 inches maximum
Environmental Protection: humidity resistant and shock resistant and thermal shock resistant and vibration resistant
Cable Entrance Diameter: 0.550 inches nominal
Threaded Device Type: coupling facility
Mating End Quantity: 1
Contact Position Arrangement Style: 75 single mating end
Contact Removability: removable single mating end single contact grouping
Contact Maximum Current Rating In Amps: 7.5 single mating end single contact grouping
Polarization Method: jackscrew and shell
Shell Type: hood, top opening
Connector Locking Method: jackscrew-socket
Connector Cable Strain Relief Method: cable clamp
Operating Temp Rating: -55.0 celsius minimum and 125.0 celsius maximum
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.138 inches
Terminal Location: back single mating end single contact grouping
Contact Material: copper alloy single mating end single contact grouping
Contact Surface Treatment: gold single mating end single contact grouping
Insert Material: plastic diallyl phthalate glass filled single mating end
Contact Surface Treatment Document And Classification: mil-g-45204 mil spec single treatment response single mating end single contact grouping
Terminal Type: crimp single mating end single contact grouping
Contact Material Document And Classification: qq-c-530 fed spec single material response and qq-c-533 fed spec single material response single mating end single contact grouping
Shell Material: aluminum alloy
Shell Surface Treatment: anodize
Shell Surface Treatment Document And Classification: mil-a-8625,ty 1 or 2 mil spec single treatment response
Shell Material Document And Classification: qq-a-250/8 fed spec single material response
Insert Material Document And Classification: mil-m-14,ty sdg-f mil spec single material response or mil-p-19833,ty gdi-30f mil spec single material response single mating end
Shell Guide Type And Location Designator: b slot
Included Contact Quantity: 75 single mating end single contact grouping
Included Contact Type: round socket single mating end single contact grouping
Precious Material And Location: contact surfaces gold
Precious Material And Weight: 0.075 gold grains, troy
Precious Material: gold
Test Data Document: "81349-mil-dtl-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-dtl-28748/4 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
M28748/4-K4BL2A	Electrical Receptacle Connector

FAQs

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

What is the FSCG of the NSN 5935-01-346-8610?

The FSCG of the NSN 5935-01-346-8610 is 5935

Does the NSN 5935-01-346-8610 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907080

Does NSN 5935-01-346-8610 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 5935-01-346-8610 contain precious materials?

Item contains gold.

Does NSN 5935-01-346-8610 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 5935-01-346-8610 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Oct 11, 1991