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Datasheet. NASM1963-1999 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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.
0.3125in. ⁓21/64"
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.
0.080in. and 1.020in. ⁓1-1/32"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
hexagon
0.156in.
The length of a straight line which passes through the center of a circular point,and terminates at the circumference.
0.144in. and 0.156in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
45.0 rockwell c and 53.0 rockwell c
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
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.
cadmium
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
The document designator of the specification or standard which established the item of supply.
96906-NAS-1963 government standard
Answers.
Unc
Steel
18
Hexagon
0.3125 inches
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-488-5127 SETSCREW
unc thread series cadmium surface treated 18 thread quantity per inch hexagon head style 0.3125" thread length right-hand 3a thread class
- NIIN
- 014885127
- NIIN Date
- 08/27/01
- Schedule B
- 7318152000
- Name Code
- 06672
- FIIG
- A003B0
- 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
| 1. | MS51017-89 | Cage 98750 |
Major End Users Countries and entities
- - Turkey
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NASM1963-1999 / 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.
