597778

597778 Eccentric Head Bolt

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Datasheet. 597778 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

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.

0.625in. and 0.645in. ⁓21/32"

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

0.480in. and 0.500in.

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

0.130in. and 0.150in. ⁓5/32"

Distance From Centerline To Flat

0.123in. and 0.124in.

Distance From Center Of Head To Center Of Shank
The distance,measured along a line perpendicular to the longitudinal axis,from the center of the head to the center of the shank.

0.124in.

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

0.065in. first hole and 0.072in. first hole

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"

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

28

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

30.0 rockwell c and 38.0 rockwell c

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 quantity is this sold in?

1EA

What class is the thread series?

Unf

What material is the eccentric head bolt made of ?

Steel

What is the thread quantity per inch?

28

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 597778?

5306-00-011-2645

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 597778?

FSC 5306 ⁓ Bolts

NSN 5306-00-011-2645 BOLT,ECCENTRIC HEAD

unf thread series 28 thread quantity per inch right-hand 3a thread class

NIIN
000112645
NIIN Date
05/01/68
Schedule B
7318152000 
Name Code
21861
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$79.73 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

Major End Users Countries and entities

  • - Department of The Air Force 

Major End Items End use applications

  • - Aircraft, f-111 (fms only)
  • - Pratt & whitney engines and components, tf 30

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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

597778 / Bolt,eccentric headWhat is the formal definition of this item?

An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. the head is not designed for wrenching. it may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.