M28748/4-B40L2A

Electrical Connector Insert

An insulating element with or without contact(s) designed to fit into an adapter (2), connector; connector body, plug, electrical; connector body, receptacle, electrical; connector, plug, electrical; or connector, receptacle, electrical forming an integral liner or seat. Excludes:insulator (1), disk; insulator (1) plate; terminal (1), feedthru and terminal board. See also connector (as modified); connector body (as modified); and insert module, electrical connector.

2a and 2b thread class, 2.467 inches nominal overall height, 0.375 inches nominal overall width, right-hand thread direction, 1.312 inches nominal overall length

Basic Details

View the essential basic details of this aerospace electrical component, including key identifiers and classifications.

5935-01-115-7270

01-115-7270

Electrical Connector Insert

M28748/4-B40L2A

Active

5935 - Electrical Connectors

Electrical and Electronic Equipment Components

07/12/1981 (45 years ago)

60653

Technical Specifications

Review the complete technical specifications, performance details, and compliance standards for aerospace electrical component: M28748/4-B40L2A

Thread Class
2a and 2b
Thread Direction
right-hand
Overall Length
1.312 inches nominal
Overall Height
2.467 inches nominal
Overall Width
0.375 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
9 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
Nominal Thread Length
0.320 inches
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,gr 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,type sdg-f mil spec single material response single mating end
Included Contact Quantity
9 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
0.009 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-28748/4 government specification

Certified Electrical Components

Discover the key features that define this aerospace electrical component, highlighting its performance, durability, and compliance for demanding applications.

  • 100% Genuine Manufacturers Parts

    Authentic components sourced directly from original equipment manufacturers, ensuring perfect compatibility and reliability.

  • Every Product Thoroughly Inspected

    Comprehensive quality control process with multi-point inspection to guarantee product integrity before shipment.

  • Sales Record Retention of 7 Years

    Complete transaction history maintained for extended warranty support and compliance with industry regulations.

  • Fast Delivery

    Expedited shipping options with real-time tracking to ensure your parts arrive when you need them most.

  • HAZMAT Certified

    Fully licensed for hazardous materials handling and shipping with compliance to all safety regulations and protocols.

  • Global Shipping

    Worldwide delivery network with customs handling and international shipping expertise to reach any destination.

Your satisfaction is our commitment

We deliver high-quality electrical components and parts designed specifically for the aerospace industry. Our wide selection includes connectors, wires, sensors, circuit breakers, and more, ensuring reliability and compliance with industry standards.

ASA Member AS9120-ISO9001

Cross Referenced Parts

Our Cross-Referenced Parts section helps you quickly locate compatible or equivalent aerospace electrical components for: M28748/4-B40L2A

Part Number CAGE Manufacturer RNCC RNVC RNAAC
M28748/4-B40L2A 81349 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M 2 2 TX
Electrical Wires Stack

Electrical Catalog

Explore our extensive electrical catalog featuring a wide range of high-performance components for commercial, industrial, and aerospace applications.

From connectors and cables to circuit breakers, switches, and relays, find everything you need to power your projects efficiently and reliably.

Electrical Switches

Browse a selection of random aerospace electrical switches from trusted manufacturers.

66920
5930-01-287-4296
Flow Switch
66936
5930-00-247-8535
Rotary Switch
66944PC13
5930-00-978-0931
Switch Handle
66948N2C
5930-00-583-2287
Rotary Switch
6695-674
5930-01-050-9346
Electrical Switch Retainer
6696258-002
5930-01-076-8888
Push Switch
669675-4
5930-00-421-3185
Push Switch
669732-3
5930-00-036-8519
Push Switch
669732-4
5930-00-036-8517
Push Switch
669762PC293
5930-00-270-8426
Push Switch
66997
5930-01-151-6537
Rotary Switch
669BE
5930-00-126-4760
Rotary Switch
669BF
5930-00-126-4761
Rotary Switch
66A5A27-1
5930-00-887-5289
Dust and Moisture Seal Boot
66A5A6-11
5930-00-938-5363
Rotary Switch

Price & Availability

Get real-time pricing and availability for our aerospace-grade electrical components.

Enter your email below and our team will provide an up to date pricing and lead time quote:

Popular Products

High-performance aerospace electrical components, trusted for precision and reliability.

RV6NAYSL105A
5905-00-581-1397
Resistor,variable,nonwire Wound,
RV6NAYSL154B
5905-00-908-7230
Resistor,variable,nonwire Wound,
RV6NAYSL201A
5905-01-265-9721
Resistor,variable,nonwire Wound,
RV6NAYSL202A
5905-01-259-3155
Resistor,variable,nonwire Wound,
RV6NAYSL203A
5905-00-767-0813
Resistor,variable,nonwire Wound,
RV6NAYSL203C
5905-01-265-9695
Resistor,variable,nonwire Wound,
RV6NAYSL251A
5905-00-581-1425
Resistor,variable,nonwire Wound,
RV6NAYSL252A
5905-00-581-1393
Resistor,variable,nonwire Wound,
RV6NAYSL252B
5905-00-581-1393
Resistor,variable,nonwire Wound,
RV6NAYSL252C
5905-00-054-2596
Resistor,variable,nonwire Wound,
RV6NAYSL253A
5905-00-581-1412
Resistor,variable,nonwire Wound,
RV6NAYSL253B
5905-00-721-1146
Resistor,variable,nonwire Wound,
RV6NAYSL254A
5905-00-581-1396
Resistor,variable,nonwire Wound,
RV6NAYSL254B
5905-00-581-1396
Resistor,variable,nonwire Wound,
RV6NAYSL255A
5905-00-581-1421
Resistor,variable,nonwire Wound,

Shop Electrical Components

Electrical Components

Shop high-quality aerospace electrical components now. Find connectors, switches, wires, and more from certified manufacturers for reliable performance and fast delivery.