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Datasheet. 106444 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.1120in. (UTS #4)
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
40
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
screw, pan hd phillips no 4-40 x 315 lg
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
40
2a
FSC 5305 ⁓ Screws
NSN 5305-01-492-5763 SCREW,MACHINE
unc thread series screw, pan hd phillips no 4-40 x 315 lg 40 thread quantity per inch 2a thread class
- NIIN
- 014925763
- NIIN Date
- 12/04/01
- Schedule B
- Name Code
- 06657
- FIIG
- A500D0
- 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
- - Turkey
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106444 / Screw,machineWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
