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Datasheet. 4AX290 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
1.250in. ⁓1-1/4"
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.500in. ⁓1/2"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
13
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.
Unc
13
1.250 inches
2a
FSC 5306 ⁓ Bolts
NSN 5306-01-551-6859 BOLT,MACHINE
unc thread series 13 thread quantity per inch 1.250" thread length 2a thread class
- NIIN
- 015516859
- NIIN Date
- 05/23/07
- Schedule B
- Name Code
- 01847
- FIIG
- A003B0
- 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
- - Australia
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4AX290 / 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.
