TFH-440-8

TFH4408 Self-locking Stud

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Datasheet. TFH-440-8 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.

0.425in. and 0.445in. ⁓29/64"

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

0.161in. and 0.191in.

Head Length
A measurement of the longest dimension of a head,in distinction from width.

0.025in.

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

SELF-Clinching head

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

0.485in. and 0.515in. ⁓33/64"

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

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

80.0 rockwell b

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.112in. ⁓1/8"

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

steel

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

SELF-Locking

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 is the style?

Self-locking

What material is the self-locking stud made of ?

Steel

What is the thread quantity per inch?

What is the thread length?

0.425 inches minimum and 0.445 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

What is the NSN for TFH-440-8?

5307-01-361-1666

What's the federal classification of TFH-440-8?

FSC 5307 ⁓ Studs

NSN 5307-01-361-1666 STUD,SELF-LOCKING

unc thread series self-locking 40 thread quantity per inch 0.485" overall length 0.425" thread length right-hand 2a thread class

NIIN: 013611666
NIIN Date: 07/11/92
Schedule B
Name Code: 27783
FIIG: A051A0
DEMIL / ITAR: Uncontrolled item (Code A)
Hazmat: No hazard information available from HMIRS.
MSDS: N/A
Precious Metals: --
Enviromental: N/A
Electrostatic ESD & EMI: No ESD or EMI sensitivity

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TFH-440-8 / Stud,self-lockingWhat is the formal definition of this item?

A headed fastener threaded externally on a portion or on the full length of the shank. the head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. it is securely locked in position by the displaced metal. for items that require locking rings, see bolt, self-locking and stud, locked in. excludes insert, screw thread.