AN3057-40

AN305740 Electrical Connector Backshell

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Datasheet. AN3057-40 specification

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

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

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

7.750in. ⁓7-3/4"

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

3.750in. ⁓3-3/4"

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

2.375in.

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

1

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

1 threaded coupling

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

3.000in. ⁓3-1/64"

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.

un

Answers.

What class is the thread series?

Un

What is the thread direction?

Right-hand

What is the thread class?

2b

What is the NSN for AN3057-40?

5935-00-243-1814

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 AN3057-40?

FSC 5935 ⁓ Connectors, electrical

Excluding interconnectors, fiber optic

NSN 5935-00-243-1814 BACKSHELL,ELECTRICAL CONNECTOR

un thread series 7.750" overall length right-hand 2b thread class

NIIN
002431814
NIIN Date
01/01/61
Schedule B
8548900100 
Name Code
67169
FIIG
A10100
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

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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 backshells with similar characteristics

Nothing similar to this part number was found in our inventory

AN3057-40 / 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.