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Datasheet. 749120-4 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.703in. and 2.733in. ⁓2-47/64"
The distance measured in a straight line from the bottom to the top of an item.
1.563in.
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
0.469in. and 0.514in.
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.
0.131in. and 0.141in.
The distance between mounting facility centers.
2.490in. and 2.510in.
A measurement of the longest dimension of the cable opening,in distinction from width.
1.360in. and 1.390in.
A measurement taken at right angles to the length of the cable opening,in distinction from thickness.
0.297in. and 0.327in.
The number of openings designed to accommodate a cable.
1
Indicates the type and number of facilities by which the item is mounted.
2 unthreaded hole and 2 screw
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
40
A designation that is used for the purpose of general identification of the thread.
0.112in. ⁓1/8"
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.
shield NON-Magnetic
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 or zinc
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
hood type w/flange
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 or zinc plated
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unc
Answers.
1EA
Unc
Hood type w/flange
40
0.469 inches minimum and 0.514 inches maximum
Right-hand
2a
Schedule B number: 8548900100
nmfc 062020
Electrical parts of machinery or apparatus not specified or included elsewhere in chapter 85
FSC 5935 ⁓ Connectors, electrical
Excluding interconnectors, fiber optic
NSN 5935-01-195-3084 BACKSHELL,ELECTRICAL CONNECTOR
unc thread series hood type w/flange cadmium or zinc surface treated shield non-magnetic 40 thread quantity per inch 0.469" overall width 2.703" overall length right-hand 2a thread class
- NIIN
- 011953084
- NIIN Date
- 11/26/84
- Schedule B
- 8548900100
- Name Code
- 67169
- FIIG
- A10100
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $13.28 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
Major End Users Countries and entities
- - Department of The Navy
Availability for 749120-4 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 55.0
- 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, large
- NMFC (national motor freight code)
- 062020 FITTINGS ELEC OUTLET BOX I/S
- UFC (universal freight code)
- 34580
Similar by Design Other backshells with similar characteristics
Nothing similar to this part number was found in our inventory
749120-4 / 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.
