82-91

8291 Connector Adapter

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Quality Commitment

Serving our customers with quality and safety first.

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Datasheet. 82-91 specification

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

2a and 2b

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

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

angle shape, external/internal coupling

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

1.454in.

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

0.828in. and 0.859in.

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

coupling facility and coupling facility

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

2

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

nonremovable all mating ends all contact groupings

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

solid

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.

52.0 all mating ends single contact grouping

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

0.312in. and 0.344in.

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

20 and 20

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

0.750in. and 0.750in. ⁓3/4"

Contact Material
The chemical compound or mechanical mixture properties of which the contact is fabricated.

beryllium 2nd mating end single contact grouping

Contact Material
The chemical compound or mechanical mixture properties of which the contact is fabricated.

copper alloy 1st 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.

silver all mating ends single contact grouping

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

plastic polyethylene all mating ends

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

copper 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.

silver

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

1 1st mating end single contact grouping

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

1 2nd mating end single contact grouping

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

coaxial pin 1st mating end single contact grouping

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

coaxial socket 2nd mating end single contact grouping

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

contact surface and shell surface silver

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

silver

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 unef

Answers.

What class is the thread series?

Unef and unef

What is the thread quantity per inch?

20 and 20

What is the overall width?

0.828 inches minimum and 0.859 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a and 2b

What is the NSN for 82-91?

5935-00-178-8090

How is this classified for shipping?

Schedule B number: 8548900100
nmfc 061680
Electrical parts of machinery or apparatus not specified or included elsewhere in chapter 85

What's the federal classification of 82-91?

FSC 5935 ⁓ Connectors, electrical

Excluding interconnectors, fiber optic

NSN 5935-00-178-8090 ADAPTER,CONNECTOR

unef thread series 20 thread quantity per inch 0.828" overall width right-hand 2a thread class

NIIN
001788090
NIIN Date
01/01/63
Schedule B
8548900100 
Name Code
15091
FIIG
A039B0
QUP
 
Historical Price
$3.75 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
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. PL10025ISSUEC Cage 80249
2. RE49F349F Cage 99993
3. S276-1211P1 Cage 3B150
4. 276-1211P1 Cage 3B150
5. RE49F349 Cage 80064
6. UG212AU Cage 80058
7. 276-1211P1 Cage 49956
8. S276-1211P1 Cage 49956

Major End Users Countries and entities

  • - Republic of Korea 
  • - Portugal 
  • - Italy 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 

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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 adapters with similar characteristics

Nothing similar to this part number was found in our inventory

82-91 / Adapter,connectorWhat is the formal definition of this item?

An adapter with electrical contacts which provides facilities for joining two or more electrical connectors, whose design or function will not normally warrant their junction. it is not designed for permanent attachment to a cable, cord, coaxial line, or wire. the physical shape of an electrical connector should not be the determining factor of its name. tee, angle, straight, and y-shaped adapters are all adapter, connector. excludes adapter, connector to lampbase; adapter, lampholder to connector; adapter (1), cable clamp to connector; and adapter, lampholder. for items designed as a mechanical connection between an electrical conduit and an electrical connector, see adapter (1), electrical conduit.