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Datasheet. 21520735 specification
End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.
The national stock number or the identification information of the end equipment for which the item is a part.
alco 251 marine diesel engine
Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
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"
Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
13
Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
setscrew, jam nut to eyebolt
Special Features
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.
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.
setscrew, cylinder block 1/2 -13 X1-1/2 in.
Answers.
What is the thread quantity per inch?
13
What's the federal classification of 21520735?
FSC 5305 ⁓ Screws
NSN 5305-01-470-1891 SETSCREW
Used on alco 251 marine diesel engine. setscrew, cylinder block 1/2 -13 X1-1/2 in. setscrew, jam nut to eyebolt 13 thread quantity per inch
- NIIN
- 014701891
- NIIN Date
- 12/09/99
- Schedule B
- Name Code
- 06672
- FIIG
- A003B0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
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21520735 / SetscrewWhat is the formal definition of this item?
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. a locking feature may be incorporated in the design of the head or threads.
