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Datasheet. FHA-0420-10 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a stud thread
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.
0.250in. ⁓1/4"
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.337in.
A measurement of the longest dimension of a head,in distinction from width.
0.135in.
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
any acceptable
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
0.625in. ⁓5/8"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20 stud thread
A designation that is used for the purpose of general identification of the thread.
0.250in. stud thread ⁓1/4"
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 2024
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.
unc stud thread
Answers.
Unc stud thread
Self-locking
Aluminum alloy 2024
20 stud thread
0.250 inches
Right-hand
2a stud thread
FSC 5307 ⁓ Studs
NSN 5307-01-330-0557 STUD,SELF-LOCKING
unc stud thread thread series self-locking 20 stud thread thread quantity per inch 0.625" overall length 0.250" thread length right-hand 2a stud thread thread class
- NIIN
- 013300557
- NIIN Date
- 11/29/90
- 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
- - Canada
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FHA-0420-10 / 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.
