3661801-1

36618011 Thumbscrew

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Datasheet. 3661801-1 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a

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.

0.990in. and 1.000in. ⁓1/64"

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.

1.500in. ⁓1-1/2"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

knurled no. 1

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

1.000in.

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.190in. ⁓13/64"

Point Length
A measurement of the longest dimension of the point,in distinction from width.

0.300in. and 0.320in.

Point Diameter
The length of a straight line which passes through the center of a circular point,and terminates at the circumference.

0.160in. and 0.165in.

Point Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.

chamfer dog

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

pacer dawn

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.

20

Point Chamfer Angle

90.0 degrees

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.

60 degree radius grove, 0.080 inchdiameter, 0.170in. from thread endto center of grove; altered item made from CL-23515, cage 99862; next assy 3661321

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

steel corrosion resisting

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.

unc

Answers.

What class is the thread series?

Unc

What material is the thumbscrew made of ?

Steel corrosion resisting

What is the thread quantity per inch?

20

What is the head style?

Knurled no. 1

What is the thread length?

0.990 inches minimum and 1.000 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 3661801-1?

5305-01-356-8629

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 3661801-1?

FSC 5305 ⁓ Screws

NSN 5305-01-356-8629 THUMBSCREW

Used on pacer dawn. unc thread series 60 degree radius grove, 0.080 inchdiameter, 0.170" from thread endto center of grove; altered item made from cl-23515, cage 99862; next assy 3661321 20 thread quantity per inch knurled no. 1 head style 0.990" thread length right-hand 3a thread class

NIIN
013568629
NIIN Date
04/12/92
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

  • - Taiwan, Province of China 

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Nothing similar to this part number was found in our inventory

3661801-1 / 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).