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Datasheet. 578R677H01 specification
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
0.470in. and 0.500in. ⁓1/2"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat countersunk
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.359in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
cross recess type 1
Those features,not otherwise specified,which may be required for proper functioning of the item.
casehardened
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.
dog type (type b or c)
The included angle of the countersink.
100.0 degrees
The length of a straight line which passes through the center of the nonmachine threaded portion,and terminates at the circumference.
0.190in.
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.
triangle shaped threads
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1021 or steel comp 1022 or steel comp 1524
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
66 fed std all material responses
Answers.
Steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1021 or steel comp 1022 or steel comp 1524
Flat countersunk
Schedule B number: 7318140000
Self-tapping screws of iron or steel
FSC 5305 ⁓ Screws
NSN 5305-00-556-7264 SCREW,TAPPING
triangle shaped threads flat countersunk head style
- NIIN
- 005567264
- NIIN Date
- 11/08/74
- Schedule B
- 7318140000
- Name Code
- 41756
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- 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
Major End Users Countries and entities
- - Germany
- - Turkey
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578R677H01 / Screw,tappingWhat is the formal definition of this item?
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. the thread may be fluted or otherwise designed to cut or form its own mating thread. excludes screw, assembled washer.
