728189-1

7281891 Internally Relieved Body Bolt

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Datasheet. 728189-1 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.

0.910in. ⁓59/64"

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.

0.970in. ⁓63/64"

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

hexagon

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

0.150in. ⁓5/32"

Width Between Flats

1.066in.

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.062in. ⁓1/16"

Concentric Hole Diameter

0.437in.

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.750in. ⁓3/4"

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

16

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

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

29.0 rockwell c

Hole Configuration Style
The style designation that most nearly corresponds to the appearance of the hole configuration.

hexagon flats

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

steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037

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-B-6812 fed spec 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.

cadmium

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

counterbore unthreaded

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 is the style?

Counterbore unthreaded

What material is the internally relieved body bolt made of ?

Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037

What is the thread quantity per inch?

16

What is the inside hole diameter?

0.062 inches

What is the head style?

Hexagon

What is the thread length?

0.910 inches minimum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 728189-1?

5306-00-890-0064

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 728189-1?

FSC 5306 ⁓ Bolts

NSN 5306-00-890-0064 BOLT,INTERNALLY RELIEVED BODY

unf thread series counterbore unthreaded cadmium surface treated 16 thread quantity per inch 0.062" hole diameter hexagon head style 0.910" thread length right-hand 3a thread class

NIIN
008900064
NIIN Date
01/01/62
Schedule B
7318152000 
Name Code
06676
FIIG
A003B0
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

Major End Users Countries and entities

  • - Germany 
  • - Italy 

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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)
50.0
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)
Bolts or nuts (iron or steel),(less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

728189-1 / Bolt,internally relieved bodyWhat is the formal definition of this item?

An externally threaded fastener whose external threaded portion is of one nominal diameter. it has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. the concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. the head is designed to be held or driven by an external and/or internal driver. for items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.