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Datasheet. NAS1251-2-9 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.
0.632in. ⁓41/64"
The length of a straight line which passes through the center of the eye and terminates at the inner periphery.
0.088in.
A measurement of the longest dimension of the shank,in distinction from width.
1.757in.
0.250in.
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.845in. ⁓2-55/64"
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.312in. ⁓5/16"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24
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 and chromate or zinc and chromate
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
round, closed
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf
The document designator of the specification or standard which established the item of supply.
80205-NAS1251 professional/industrial association standard
Answers.
Unf
Round, closed
Steel
24
0.632 inches
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
NSN 5306-01-010-4622 BOLT,EYE
unf thread series round, closed cadmium surface treated 24 thread quantity per inch 2.845" overall length 0.632" thread length right-hand 3a thread class
- NIIN
- 010104622
- NIIN Date
- 09/30/75
- Schedule B
- 7318152000
- Name Code
- 01853
- FIIG
- A003B0
- 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
Major End Users Countries and entities
- - National Aeronautics And Space Administration
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NAS1251-2-9 / Bolt,eyeWhat is the formal definition of this item?
An externally threaded device whose threaded portion is of one nominal diameter, without a head, but with the unthreaded end either bent more than 225 degrees (3.925 radians) or cast, forged, or punched to resemble an eye. see also bolt, hook. excludes connector, rod end.
