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Datasheet. FHS-M4-20 specification
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 stud thread
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
17.6 mm stud thread and 18.4 mm stud thread
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
5.5 mm and 6.3 mm
A measurement of the longest dimension of a head,in distinction from width.
1.75 mm and 2.25 mm
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
SELF-Clinching head
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
19.6 mm and 20.4 mm
A designation that is used for the purpose of general identification of the thread.
6.0 mm stud thread
A measurement of distance between corresponding points on two adjacent threads measured parallel to the thread axis,expressed in millimeters.
1.00 stud thread
A numeric-alpha designator indicating established pitch and crest diameter tolerance position and grade.
4H6H internal stud thread
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel corrosion resisting
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.
passivate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-35 fed spec single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
SELF-Locking
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
iso s stud thread
The document designator of the specification or standard which established the item of supply.
46384-FHS--4-20 manufacturers standard
Answers.
Iso s stud thread
Self-locking
Steel corrosion resisting
17.6 millimeters minimum stud thread and 18.4 millimeters maximum stud thread
Right-hand stud thread
FSC 5307 ⁓ Studs
NSN 5307-01-204-1082 STUD,SELF-LOCKING
iso s stud thread thread series self-locking passivate surface treated 19.6mm overall length 17.6mm stud thread thread length right-hand stud thread
- NIIN
- 012041082
- NIIN Date
- 03/22/85
- Schedule B
- Name Code
- 27783
- FIIG
- A051A0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Spain
- - France
- - Germany
- - Republic of Korea
- - Italy
- - Turkey
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FHS-M4-20 / Stud,self-lockingWhat is the formal definition of this item?
A headed fastener threaded externally on a portion or on the full length of the shank. the head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. it is securely locked in position by the displaced metal. for items that require locking rings, see bolt, self-locking and stud, locked in. excludes insert, screw thread.
