45643

45643 Thumbscrew
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Datasheet. 45643 specification

Thread Class
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.

RIGHT-Hand

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

1.500in. ⁓1-1/2"

Fastener Length
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.

1.840in. ⁓1-27/32"

Nominal Thread Diameter
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.

28

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel

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.

unf

Answers.

What class is the thread series?

Unf

What material is the thumbscrew made of ?

Steel

What is the thread quantity per inch?

28

What is the thread length?

1.500 inches

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 45643?

5305-01-430-4911

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 45643?

FSC 5305 ⁓ Screws

NSN 5305-01-430-4911 THUMBSCREW

unf thread series 28 thread quantity per inch 1.500" thread length right-hand 2a thread class

NIIN
014304911
NIIN Date
04/30/96
Schedule B
7318152000 
Name Code
06673
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

Major End Users Countries and entities

  • - Canada 

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Similar by Design Other thumbscrews with similar characteristics

Nothing similar to this part number was found in our inventory

45643 / ThumbscrewWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter. it may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. it has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. for items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).