A20356-037

A20356037 Cap Socket Head Screw
Home » Catalog » Fasteners (p. 2017) » Cap Socket Head Screws (p. 1) » Part Number A20356-037

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Datasheet. A20356-037 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.

0.497in. and 0.500in. ⁓1/2"

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.

0.497in. and 0.500in. ⁓1/2"

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

flat chamfer

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

0.270in.

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

0.045in. and 0.065in. ⁓5/64"

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

hexagon

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.

0.164in. (UTS #8)

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

0.141in. ⁓9/64"

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

32

Minimum Tensile Strength
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.

160000 pounds per square inch

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

iron alloy 660

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.

AMS5731 assn std 1st material response or AMS5737 assn std 2nd 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.

passivate

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-35 fed spec 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.

unrc

Answers.

What class is the thread series?

Unrc

What material is the cap socket head screw made of ?

Iron alloy 660

What is the thread quantity per inch?

32

What is the head style?

Flat chamfer

What is the thread length?

0.497 inches minimum and 0.500 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for A20356-037?

5305-01-447-4480

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 A20356-037?

FSC 5305 ⁓ Screws

NSN 5305-01-447-4480 SCREW,CAP,SOCKET HEAD

Used on pacer dawn. unrc thread series passivate surface treated 32 thread quantity per inch flat chamfer head style 0.497" thread length right-hand 3a thread class

NIIN
014474480
NIIN Date
08/06/97
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

  • - Taiwan, Province of China 

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Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

A20356-037 / 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.