4024378

4024378 Thumbscrew

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Datasheet. 4024378 specification

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

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.

0.250in. ⁓1/4"

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.

1.920in. ⁓1-59/64"

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

knurled no. 4

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

0.500in.

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

0.400in. ⁓13/32"

Shoulder Diameter
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.

0.297in. first shoulder

Shoulder Length
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.

1.170in. first shoulder

First Diameter From Head

0.077in. and 0.083in.

Distance From Largest Bearing Surface Of Head To End Of First Diameter

1.670in.

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

pointless

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.112in. (UTS #4)

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Externally Relieved Body Diameter Quantity
The number of externally relieved diameters on the body,adjacent to the head.

Shoulder Shape
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.

round first shoulder

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

steel comp 303

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-764 fed spec single material response

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 quantity is this sold in?

1EA

What class is the thread series?

Unc

What material is the thumbscrew made of ?

Steel comp 303

What is the thread quantity per inch?

What is the head style?

Knurled no. 4

What is the thread length?

0.250 inches

What is the thread direction?

Right-hand

What is the thread class?

What is the NSN for 4024378?

5305-01-098-2658

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 096630
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of 4024378?

FSC 5305 ⁓ Screws

NSN 5305-01-098-2658 THUMBSCREW

unc thread series 40 thread quantity per inch knurled no. 4 head style 0.250" thread length right-hand 2a thread class

NIIN: 010982658
NIIN Date: 07/29/80
Schedule B: 7318152000
Name Code: 06673
FIIG: A003B0
QUP: 1
Historical Price: $76.58 EA
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

Major End Users Countries and entities

- Department of The Air Force

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Shipping Information

Special Handling: Other or no special handling required (sh)
LTL (less than a truck load rating): 70.0
LCL (less than a car load rating): 70.0
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: Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft
Commodity (for shipments via water): Bolts or nuts (iron or steel),(less than 35 feet)
NMFC (national motor freight code): 096630 SCREWS NOI BRASS/BRONZE/COPPER
UFC (universal freight code): 50590

Similar by Design Other thumbscrews with similar characteristics

Nothing similar to this part number was found in our inventory

4024378 / 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).