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Datasheet. AN4C51 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
28.0in. ⁓28-1/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
hexagon
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.25in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.51in. ⁓33/64"
0.42in. and 0.44in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
bolt, machine aircraft
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.
may have cotter pin, aerospace industries association
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel corrosion resisting fastener
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf
Answers.
Unf
Steel corrosion resisting fastener
Hexagon
28.0 inches
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
NSN 5306-01-628-8824 BOLT,MACHINE
unf thread series may have cotter pin, aerospace industries association bolt, machine aircraft hexagon head style 28.0" thread length right-hand 3a thread class
- NIIN
- 016288824
- NIIN Date
- 06/12/14
- Schedule B
- 7318152000
- Name Code
- 01847
- FIIG
- A003B0
- DEMIL / ITAR
- Uncontrolled item (Code )
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Spain
- - France
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AN4C51 / Bolt,machineWhat is the formal definition of this item?
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.
