Assembled Washer Screw
13218E0504-51
(NSN) National Stock Number
5305-00-363-3990
Federal Supply Classification
5305 Screws
Item Name Code
06660
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.188 inches minimum and 0.250 inches maximum thread length, 0.250 inches nominal fastener length, hexagon head style, 0.172 inches minimum and 0.190 inches maximum head height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | CT |
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
0.188 inches minimum and 0.250 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.250 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
hexagon
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Height
0.172 inches minimum and 0.190 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.367 inches minimum and 0.375 inches maximum
Details
None.Washer Quantity
1
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
0.190 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.Minimum Tensile Strength
74000 pounds per square inch
Details
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.Hardness Rating
80.0 rockwell b minimum overall and 100.0 rockwell b maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Minimum Yield Strength
57000 pounds per square inch
Details
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.Primary Washer Outside Diameter
0.395 inches minimum and 0.410 inches maximum
Details
None.Primary Washer Style
flat external teeth
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.Primary Washer Material Thickness
0.020 inches minimum and 0.025 inches maximum
Details
None.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Surface Treatment
cadmium overall or zinc 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
ams 2400 assn std 1st treatment response overall or ams 2402 assn std 2nd 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.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
FAQs
Frequently asked questions for NSN 5305-00-363-3990
What is the NIIN of the NSN 5305-00-363-3990?
The National Item Identification Number (NIIN) of the NSN 5305-00-363-3990 is 00-363-3990
When the NSN 5305-00-363-3990 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Fri, Feb 22, 1974
Does the NSN 5305-00-363-3990 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-363-3990 contain any hazardous material?
No data in HMIRS
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