B68575

B68575 Cap Socket Head Screw
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Datasheet. B68575 specification

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

3a

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.170in. and 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.

0.220in. and 0.250in. ⁓1/4"

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.

0.176in. and 0.183in.

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

0.108in. and 0.112in. ⁓1/8"

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.

0.112in. (UTS #4)

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

0.094in. and 0.095in. ⁓7/64"

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

40

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.

180000 pounds per square inch

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

38.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.

30000 pounds per square inch

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

steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316

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.

66 fed std all material responses

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.

unc

Answers.

What class is the thread series?

Unc

What material is the cap socket head screw made of ?

Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316

What is the thread quantity per inch?

40

What is the head style?

Flat chamfer

What is the thread length?

0.170 inches minimum and 0.250 inches maximum

What is the thread class?

3a

What is the NSN for B68575?

5305-00-718-3111

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 B68575?

FSC 5305 ⁓ Screws

NSN 5305-00-718-3111 SCREW,CAP,SOCKET HEAD

unc thread series passivate surface treated 40 thread quantity per inch flat chamfer head style 0.170" thread length 3a thread class

NIIN
007183111
NIIN Date
01/01/61
Schedule B
7318152000 
Name Code
16282
FIIG
A003B0
Item Weight
1.000lbs
Item Dimensions
QUP
 
Historical Price
$0.13 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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. NAS1352C04-4 Cage 80205
2. 947463-0404 Cage 06481
3. 947463-404 Cage 13973
4. 947463-404 Cage 06481

Major End Users Countries and entities

  • - Austria 
  • - Brazil 
  • - Israel 
  • - Singapore 
  • - Malaysia 
  • - Australia 
  • - New Zealand 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Italy 

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Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

B68575 / 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.