2526446

2526446 Cap Socket Head Screw
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Datasheet. 2526446 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.

0.533in. and 0.593in. ⁓19/32"

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.

1.063in. and 1.073in. ⁓1-5/64"

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

fillister

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

0.625in.

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

0.285in. and 0.300in. ⁓5/16"

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

patch

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

hexagon

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"

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.250in. and 0.253in. ⁓17/64"

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

28

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

36.0 rockwell c and 42.0 rockwell c

Chamfer Angle
The included angle of the chamfer(s).

45.0 degrees

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

bolt, SELF-Locking

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.

heat treat to 160, 000 psi ultimate tensile strength

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

steel comp 4340

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.

MIL-S-5000 mil spec single material response

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

cadmium

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-416, type 2, class 3 assn std single treatment 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.

unf

Answers.

What class is the thread series?

Unf

What material is the cap socket head screw made of ?

Steel comp 4340

What is the thread quantity per inch?

28

What is the head style?

Fillister

What is the thread length?

0.533 inches minimum and 0.593 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 2526446?

5305-01-601-7151

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 2526446?

FSC 5305 ⁓ Screws

NSN 5305-01-601-7151 SCREW,CAP,SOCKET HEAD

unf thread series cadmium surface treated heat treat to 160, 000 psi ultimate tensile strength bolt, self-locking 28 thread quantity per inch fillister head style 0.533" thread length right-hand 3a thread class

NIIN
016017151
NIIN Date
01/20/12
Schedule B
7318152000 
Name Code
16282
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

  • - Netherlands 

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Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

2526446 / Screw,cap,socket headWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.