6442

6442 Ribbed Neck Bolt

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Datasheet. 6442 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.

1.109in. and 1.141in. ⁓1-9/64"

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.

2.234in. and 2.266in. ⁓2-17/64"

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.

0.750in. and 0.812in.

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

0.229in. and 0.239in. ⁓1/4"

Rib Major Diameter
The length of a straight line which passes through the center of the rib,and terminates at the outermost surface of the circumference.

0.534in. and 0.539in.

Rib Length
A measurement of the longest dimension of a rib along a line parallel to the longitudinal axis.

0.921in. and 0.953in.

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

0.500in. ⁓1/2"

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

20

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

28.0 rockwell c and 36.0 rockwell c

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

steel comp 4140

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 single material response

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 and chromate

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-416, TYPE2, CLASS3 fed spec all treatment responses

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 ribbed neck bolt made of ?

Steel comp 4140

What is the thread quantity per inch?

20

What is the head style?

Flat chamfer

What is the thread length?

1.109 inches minimum and 1.141 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 6442?

5306-00-966-9553

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 139170
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of 6442?

FSC 5306 ⁓ Bolts

NSN 5306-00-966-9553 BOLT,RIBBED NECK

unf thread series cadmium surface treated 20 thread quantity per inch flat chamfer head style 1.109" thread length right-hand 2a thread class

NIIN
009669553
NIIN Date
06/03/66
Schedule B
7318152000 
Name Code
15940
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$22.58 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. 03-006442 Cage 52793

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
125.0 
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
Personnel services. military service records, files, or other information subject to the privacy act of 1974. 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
139170 PARTS MUSICAL INST NOI IN BXS 
UFC (universal freight code)
69790 

Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

6442 / Bolt,ribbed neckWhat is the formal definition of this item?

A headed externally threaded fastener whose threaded portion is of one nominal diameter with a series of longitudinal ribs, splines or serrations on all or part of the unthreaded portion. see also bolt, ribbed shoulder.