MS3101B28-21S

MS3101B2821S Plug Electrical Connector

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Quality Commitment

Serving our customers with quality and safety first.

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Datasheet. MS3101B28-21S specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a and 2a

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand and RIGHT-Hand

Body Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.

straight shape, external coupling w/backshell

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

2.312in. ⁓2-5/16"

Overall Diameter
A measurement of the longest straight line across a circular cross-sectional plane.

1.969in. ⁓1-31/32"

Environmental Protection
The environmental elements or conditions that an item is designed or protected to resist or withstand satisfactorily.

moisture proof and salt water resistant and vibration proof

Cable Entrance Diameter
The length of a straight line which passes through the center of the cable entrance,and terminates at the circumference.

1.365in.

Threaded Device Type
Indicates the type of threaded device included on the item.

back shell and coupling facility

Mating End Quantity
The number of mating ends provided with the item which are designed to accommodate another connector.

1

Contact Position Arrangement Style
The style designation indicating the configuration that most nearly corresponds to the arrangement of the contact position/s/.

28-21 single mating end

Contact Removability
An indication of whether or not the contact(s) is removable.

nonremovable single mating end single contact grouping

Contact Maximum Current Rating In Amps
The maximum current which the contact may continuously carry without degradation or destruction,expressed in amperes.

22.0 single mating end single contact grouping

Contact Maximum Ac Voltage Rating In Volts
The maximum alternating current potential that may be applied continuously to the contact without damage,expressed in volts.

500.0 single mating end single contact grouping

Contact Maximum Dc Voltage Rating In Volts
The maximum direct current potential that may be applied continuously to the contact without damage,expressed in volts.

700.0 single mating end single contact grouping

Polarization Method
The means used to prevent mismating or cross plugging of contacts.

keyway or multiple keyway

Insert Position In Deg
The amount of clockwise displacement of the indexing radius of the insert from normal position,expressed in degrees.

0.0

Shell Type
Indicates the type of shell included on the item.

split

Connector Locking Method
The means used to secure a connector to its mating counterpart.

internally threaded coupling ring

Connector Cable Strain Relief Method
The means by which the connector cable is relieved of stress and strain.

conduit nut

Nominal Thread Length
A nominal measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.375in. and 0.625in.

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

18 and 18

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

1.438in. and 1.750in. ⁓1-3/4"

Terminal Location
Indicates the location of the terminal/s/ on the item.

back single mating end single contact grouping

Contact Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the contact surface(s) and cannot be wiped off.

gold single mating end single contact grouping and nickel single mating end single contact grouping

Insert Material
The chemical compound or mechanical mixture properties of which the insert is fabricated.

rubber single mating end

Contact Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the contact surface treatment material.

MIL-G-45204, type 1, grade b mil spec 1st treatment response single mating end single contact grouping and QQ-N-290, class 1, grade b fed spec 2nd treatment response single mating end single contact grouping

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

solder well single mating end single contact grouping

Shell Material
The chemical compound or mechanical mixture properties of which the shell is fabricated.

aluminum alloy

Shell Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the shell surface/s/ and cannot be wiped off.

cadmium and chromate

Shell Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like that identifies the shell surface treatment material.

QQ-P-416, type 2, class 3 fed spec all treatment responses

Included Contact Quantity
The number of contacts included with the item which provides electrical connection.

37 single mating end single contact grouping

Included Contact Type
Indicates the type of contact(s) included with the item.

round socket single mating end single contact grouping

Precious Material And Location
An indication of the precious material and its location in the item.

contact surfaces gold

Precious Material And Weight
An indication of the precious material contained in the item,and the amount per a measurement scale.

0.037 gold grains, troy

Precious Material
Identification of the precious material contained in the item.

gold

Test Data Document
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.

81349-MIL-C-5015 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", "", etc.) .

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unef and uns

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

96906-MS3101 government standard

Answers.

What class is the thread series?

Unef and uns

What is the thread quantity per inch?

18 and 18

What is the thread direction?

Right-hand and right-hand

What is the thread class?

2a and 2a

What is the NSN for MS3101B28-21S?

5935-00-027-9599

How is this classified for shipping?

Schedule B number: 8536695050
nmfc 061680
Electrical plugs & sockets, for a voltage not exceeding 1,000 v

What's the federal classification of MS3101B28-21S?

FSC 5935 ⁓ Connectors, electrical

Excluding interconnectors, fiber optic

NSN 5935-00-027-9599 CONNECTOR,PLUG,ELECTRICAL

unef thread series 18 thread quantity per inch 2.312" overall length right-hand 2a thread class

NIIN
000279599
NIIN Date
01/01/63
Schedule B
8536695050 
Name Code
01938
FIIG
A039B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains gold
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. MIL-C-5015 Cage 81349

Major End Users Countries and entities

  • - France 

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Shipping Information

Special Handling
Low sensitivity, category iv, aa&e, unclassified 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
77.5
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Electrical appliances, small 
NMFC (national motor freight code)
061680 ELEC WIRING PLUGS ETC 
UFC (universal freight code)
34570 

Similar by Design Other connectors with similar characteristics

Nothing similar to this part number was found in our inventory

MS3101B28-21S / Connector,plug,electricalWhat is the formal definition of this item?

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.