Assembled Washer Screw
NAS720-6-6
(NSN) National Stock Number
5305-00-820-6355
Federal Supply Classification
5305 Screws
Item Name Code
06660
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.282 inches maximum thread length, 0.375 inches nominal fastener length, pan no. 2 head style, 0.256 inches minimum and 0.273 inches maximum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | XX |
Identification
A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 06660 | A003B0 | - | 1 |
Specifications
Thread Class
2a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Direction
right-hand
Details
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.Thread Length
0.282 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.375 inches nominal
Details
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.Head Style
pan no. 2
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.256 inches minimum and 0.273 inches maximum
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Head Height
0.072 inches minimum and 0.082 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Washer Quantity
2
Details
The number of washers included on the item.Internal Drive Style
slot
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Nominal Thread Diameter
0.138 inches
Details
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.Thread Quantity Per Inch
32
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Hardness Rating
45.0 rockwell c minimum overall and 53.0 rockwell c maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Secondary Washer Relationship To Primary Washer
not identical
Details
An indication of whether or not the secondary is identical to the primary washer.Secondary Washer Style
flat
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the secondary washer.Primary Washer Outside Diameter
0.250 inches nominal
Details
None.Secondary Washer Outside Diameter
0.258 inches nominal
Details
None.Primary Washer Style
split helical ring
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.Primary Washer Material Thickness
0.031 inches nominal
Details
None.Secondary Washer Material Thickness
0.016 inches nominal
Details
None.Special Features
lockwasher and washer not rated screw 55000 lbs per sq in.
Details
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 on one or more other functions.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-s-634 fed spec 1st material response overall or 66 fed std 2nd material response overall or aisi/sae assn std 2nd material response overall or 66 fed std 3rd material response overall or aisi/sae assn std 3rd material response overall or 66 fed std 4th material response overall or aisi/sae assn std 4th material response overall or 66 fed std 5th material response overall or aisi/sae assn std 5th material response overall or 66 fed std 6th material response overall or aisi/sae assn std 6th material response overall or 66 fed std 7th material response overall or aisi/sae assn std 7th material response overall or 66 fed std 8th material response overall or aisi/sae assn std 8th material response overall or 66 fed std 9th material response overall or aisi/sae assn std 9th material response overall or 66 fed std 10th material response overall or aisi/sae assn std 10th material response overall or 66 fed std 11th material response overall or aisi/sae assn std 11th material response overall or 66 fed std 12th material response overall or aisi/sae assn std 12th material response overall or 66 fed std 13th material response overall or aisi/sae assn std 13th material response overall or qq-s-626-canc fed spec 14th material response overall or mil-s-7952 mil spec 15th material response overall or mil-s-7952 mil spec 16th material response overall
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Surface Treatment
cadmium overall
Details
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.Surface Treatment Document And Classification
qq-p-416,type 2 class 3 fed spec single treatment response overall
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Thread Series Designator
unc
Details
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.Specification/Standard Data
80205-nas720 professional/industrial association standard
Details
The document designator of the specification or standard which established the item of supply.Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
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Manufacturer
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
CAGE: 80205
ARLINGTON
, VA
, 22209
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-820-6355
What is the NIIN of the NSN 5305-00-820-6355?
The National Item Identification Number (NIIN) of the NSN 5305-00-820-6355 is 00-820-6355
When the NSN 5305-00-820-6355 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Mon, Jan 1, 1962
Does the NSN 5305-00-820-6355 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-820-6355 contain any hazardous material?
No data in HMIRS
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