S1786-4950-4

S178649504 Electrical Connector Backshell

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Datasheet. S1786-4950-4 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

Seal Material
The element, compound,or mixture from which the seal is fabricated.

plastic

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

4.438in. ⁓4-29/64"

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

1.000in.

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

2.000in.

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

0.250in. and 0.393in.

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

0.188in.

Cable Opening Quantity
The number of openings designed to accommodate a cable.

1

Seal Type
Indicates the type of seal included with the item.

bushing

Size Designation
A designation indicating the size by which the item is commercially known and/or identified.

61

Mounting Facility Type And Quantity
Indicates the type and number of facilities by which the item is mounted.

1 threaded coupling

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

18

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

1.500in. ⁓1-1/2"

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

aluminum alloy

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

taper pin gold

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

0.002 gold grains, troy

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 surface(s) and cannot be wiped off.

cadmium

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

straight type w/cable clamp

Surface Treatment
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.

cadmium

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 style?

Straight type w/cable clamp

What material is the electrical connector backshell made of ?

Aluminum alloy

What is the thread quantity per inch?

18

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 S1786-4950-4?

5935-01-124-0204

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 S1786-4950-4?

FSC 5935 ⁓ Connectors, electrical

Excluding interconnectors, fiber optic

NSN 5935-01-124-0204 BACKSHELL,ELECTRICAL CONNECTOR

unef thread series straight type w/cable clamp cadmium surface treated 18 thread quantity per inch 2.000" overall width 4.438" overall length right-hand 2a thread class

NIIN
011240204
NIIN Date
12/27/81
Schedule B
8548900100 
Name Code
67169
FIIG
A10100
Item Weight
0.000lbs
Item Dimensions
--
QUP
 
Historical Price
$343.95 EA
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. GA801CG3CD61B Cage 26512
2. GA801CG3CD61B Cage 26512

Major End Users Countries and entities

  • - Defense Logistics Agency 

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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)
Unknown
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 backshells with similar characteristics

Nothing similar to this part number was found in our inventory

S1786-4950-4 / Backshell,electrical connectorWhat is the formal definition of this item?

An item specifically designed to be placed around that portion of a connector, receptable, electrical or connector, plug, electrical which contains the facilities for attaching wires or cables. it may be designed to provide the necessary accomodations between an electrical cable clamping device and an electrical connector shell, or it may include the clamping device. it may be used for shielding against electrical interference, mechanical injury, or physical damage due to environmental conditions.