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Datasheet. 66C specification
Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
Thread Direction
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.
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
Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
1.000in. ⁓1/64"
Distance From Inside Center Of Bend To Bolt End
1.750in.
Inside Distance Between Shanks
1.000in.
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.
0.250in. ⁓1/4"
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.
20
Material
The chemical compound or mechanical mixture properties of which the item is fabricated.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
Surface Treatment
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.
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
Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
round bend
Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
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
Answers.
What class is the thread series?
Unc
What is the style?
Round bend
What material is the u bolt made of ?
Steel
What is the thread quantity per inch?
20
What is the thread length?
1.000 inches minimum
What is the thread direction?
Right-hand
What is the thread class?
2a
How is this classified for shipping?
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
What's the federal classification of 66C?
FSC 5306 ⁓ Bolts
NSN 5306-00-330-5488 BOLT,U
unc thread series round bend cadmium surface treated 20 thread quantity per inch 1.000" thread length right-hand 2a thread class
- NIIN
- 003305488
- NIIN Date
- 12/09/73
- Schedule B
- 7318152000
- Name Code
- 06665
- 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
| 1. | 4 | Cage 71747 |
Major End Users Countries and entities
- - National Institutes of Health
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66C / Bolt,uWhat is the formal definition of this item?
An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
