KS812-428-40

KS81242840 Cap Socket Head Screw

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Datasheet. KS812-428-40 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.

1.000in. ⁓1/64"

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.

2.469in. and 2.531in. ⁓2-17/32"

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.

0.365in. and 0.375in.

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

0.244in. and 0.250in. ⁓1/4"

Single Shear Strength
The minimum load,applied perpendicularly to the longitudinal axis of an item,at which point the item will fracture when subjected to the standard single shear test method.

3680 pounds per square inch

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.

0.188in. ⁓13/64"

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

28

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.

125000 pounds per square inch

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

80000 pounds per square inch

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

steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303f or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 385

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 301 or steel comp 302 or steel comp 303 or steel comp 303f or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 385

What is the thread quantity per inch?

28

What is the head style?

Flat chamfer

What is the thread length?

1.000 inches minimum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for KS812-428-40?

5305-01-039-0236

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of KS812-428-40?

FSC 5305 ⁓ Screws

NSN 5305-01-039-0236 SCREW,CAP,SOCKET HEAD

unf thread series 28 thread quantity per inch flat chamfer head style 1.000" thread length right-hand 3a thread class

NIIN
010390236
NIIN Date
04/16/77
Schedule B
7318152000 
Name Code
16282
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
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. 876915-00 Cage 32345

Major End Users Countries and entities

  • - Defense Threat Reduction Agency 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
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
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

KS812-428-40 / 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.