82-57

8257 Receptacle Electrical Connector

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Datasheet. 82-57 specification

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

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

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

2.750in. ⁓2-3/4"

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

2.000in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

2.000in.

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

humidity resistant

Unthreaded Mounting Hole Diameter
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.

0.257in.

Center To Center Distance Between Mounting Facilities Parallel To Height
The distance between the center of one mounting facility and the center of the adjacent mounting facility parallel to the height.

1.438in.

Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
The distance between centerlines of mounting facilities parallel to the width of the item.

1.438in.

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

0.895in.

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

coupling facility

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

1

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

externally threaded shell

Radio Frequency Type Contact Characteristic Impedance In Ohms
The impedance for which the item is designed for maximum power transfer,expressed in ohms.

50.0 single mating end single contact grouping

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

20

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

0.750in. ⁓3/4"

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

plastic single mating end

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

copper alloy

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

1 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

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

4 mtg holes

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

Answers.

What class is the thread series?

Unef

What is the thread quantity per inch?

20

What is the overall width?

2.000 inches

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 82-57?

5935-00-643-6239

How is this classified for shipping?

Schedule B number: 8538907080
nmfc 061680
Parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537

What's the federal classification of 82-57?

FSC 5935 ⁓ Connectors, electrical

Excluding interconnectors, fiber optic

NSN 5935-00-643-6239 CONNECTOR,RECEPTACLE,ELECTRICAL

unef thread series 4 mtg holes 20 thread quantity per inch 2.000" overall width 2.750" overall length right-hand 2a thread class

NIIN
006436239
NIIN Date
01/01/63
Schedule B
8538907080 
Name Code
15093
FIIG
A039B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
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. UG334U Cage 80058
2. 082-57 Cage D8311
3. VBE417-13 Cage H0203

Major End Users Countries and entities

  • - Spain 
  • - Malaysia 
  • - Germany 
  • - Italy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
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

82-57 / Connector,receptacle,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, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector(s) or printed wiring board. it is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. excludes lampholder; jack, telephone; jack, tip; insert electrical connector; insert module, electrical connector; connector body (as modified) and socket, plug-in electronic components. see also wiring harness (as modified) and cable assembly (as modified). for items with termination wires of more than four inches in length, see lead assembly, electrical. for items without inserts, see shell, electrical connector.