1278272

1278272 Assembled Washer Bolt

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Datasheet. 1278272 specification

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

2a

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.

0.555in. and 0.569in. ⁓37/64"

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.

0.610in. and 0.640in. ⁓41/64"

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.

0.227in. and 0.242in. ⁓1/4"

Width Between Flats

0.489in. and 0.500in.

Washer Quantity
The number of washers included on the item.

1

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

0.312in. ⁓5/16"

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

24

Primary Washer Outside Diameter

0.678in. and 0.698in.

Primary Washer Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.

flat external and internal teeth

Primary Washer Material Thickness

0.050in.

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

steel

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 assembled washer bolt made of ?

Steel

What is the thread quantity per inch?

24

What is the head style?

Hexagon

What is the thread length?

0.555 inches minimum and 0.569 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 1278272?

5306-00-737-4838

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 1278272?

FSC 5306 ⁓ Bolts

NSN 5306-00-737-4838 BOLT,ASSEMBLED WASHER

unf thread series 24 thread quantity per inch hexagon head style 0.555" thread length right-hand 2a thread class

NIIN
007374838
NIIN Date
01/01/63
Schedule B
7318152000 
Name Code
06659
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
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

  • - Austria 
  • - Spain 
  • - New Zealand 
  • - Greece 

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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)
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

1278272 / Bolt,assembled washerWhat is the formal definition of this item?

A bolt, machine on which has been assembled one or more nonremovable washers. see also screw, assembled washer.