NAS720-6-6

NAS72066 Assembled Washer Screw
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Datasheet. NAS720-6-6 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.

0.282in. ⁓19/64"

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.

0.375in. ⁓3/8"

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

pan no. 2

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

0.256in. and 0.273in.

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

0.072in. and 0.082in. ⁓3/32"

Washer Quantity
The number of washers included on the item.

2

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

slot

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

0.138in. (UTS #6)

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

32

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

45.0 rockwell c and 53.0 rockwell c

Secondary Washer Relationship To Primary Washer
An indication of whether or not the secondary is identical to the primary washer.

not identical

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

flat

Primary Washer Outside Diameter

0.250in.

Secondary Washer Outside Diameter

0.258in.

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

split helical ring

Primary Washer Material Thickness

0.031in.

Secondary Washer Material Thickness

0.016in.

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

lockwasher and washer not rated screw 55000 lbs per sq in.

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

steel

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.

QQ-S-634 fed spec 1st material response or 66 fed std 2nd material response or aisi/sae assn std 2nd material response or 66 fed std 3rd material response or aisi/sae assn std 3rd material response or 66 fed std 4th material response or aisi/sae assn std 4th material response or 66 fed std 5th material response or aisi/sae assn std 5th material response or 66 fed std 6th material response or aisi/sae assn std 6th material response or 66 fed std 7th material response or aisi/sae assn std 7th material response or 66 fed std 8th material response or aisi/sae assn std 8th material response or 66 fed std 9th material response or aisi/sae assn std 9th material response or 66 fed std 10th material response or aisi/sae assn std 10th material response or 66 fed std 11th material response or aisi/sae assn std 11th material response or 66 fed std 12th material response or aisi/sae assn std 12th material response or 66 fed std 13th material response or aisi/sae assn std 13th material response or QQ-S-626-Canc fed spec 14th material response or MIL-S-7952 mil spec 15th material response or MIL-S-7952 mil spec 16th 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

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, type 2 class 3 fed spec single treatment response

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.

unc

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

80205-NAS720 professional/industrial association standard

Answers.

What class is the thread series?

Unc

What material is the assembled washer screw made of ?

Steel

What is the thread quantity per inch?

32

What is the head style?

Pan no. 2

What is the thread length?

0.282 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for NAS720-6-6?

5305-00-820-6355

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 NAS720-6-6?

FSC 5305 ⁓ Screws

NSN 5305-00-820-6355 SCREW,ASSEMBLED WASHER

unc thread series cadmium surface treated lockwasher 32 thread quantity per inch pan no. 2 head style 0.282" thread length right-hand 2a thread class

NIIN
008206355
NIIN Date
01/01/62
Schedule B
7318152000 
Name Code
06660
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$0.78 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

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Air Force 
  • - Department of The Navy 
  • - Poland 
  • - Brazil 
  • - Australia 
  • - Germany 
  • - Republic of Korea 
  • - Portugal 
  • - Greece 
  • - Turkey 

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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

NAS720-6-6 / Screw,assembled washerWhat is the formal definition of this item?

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).