91744A542

91744A542 Thumbscrew

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Datasheet. 91744A542 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.

1.000in. ⁓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.

1.000in. ⁓1/64"

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

thumb no. 3

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

0.594in. ⁓19/32"

Width Between Flats

0.516in.

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

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.

unc

Answers.

What class is the thread series?

Unc

What material is the thumbscrew made of ?

Steel

What is the thread quantity per inch?

20

What is the head style?

Thumb no. 3

What is the thread length?

1.000 inches

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 91744A542?

5305-01-630-8490

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of 91744A542?

FSC 5305 ⁓ Screws

NSN 5305-01-630-8490 THUMBSCREW

unc thread series 20 thread quantity per inch thumb no. 3 head style 1.000" thread length right-hand 2a thread class

NIIN
016308490
NIIN Date
08/20/14
Schedule B
7318152000 
Name Code
06673
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
DEMIL / ITAR
Uncontrolled item (Code )
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
--
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other thumbscrews with similar characteristics

Nothing similar to this part number was found in our inventory

91744A542 / 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).