Tapping Screw
9419648
(NSN) National Stock Number
5305-00-218-6421
Federal Supply Classification
5305 Screws
Item Name Code
41756
Schedule B Code
7318140000
Summary
0.719 inches nominal fastener length, hexagon extended washer head style, 0.270 inches nominal head height, 0.500 inches nominal width between flats, 0.643 inches nominal extended washer diameter, 0.050 inches nominal extended washer thickness
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | CT |
Identification
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 41756 | A003B0 | - | 1 |
Specifications
Fastener Length
0.719 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 extended washer
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Height
0.270 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.500 inches nominal
Details
None.Extended Washer Diameter
0.643 inches nominal
Details
None.Extended Washer Thickness
0.050 inches nominal
Details
None.Internal Drive Style
w/o internal drive
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Nonmachine Thread Style
blunt (type tt)
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.Nonmachine Nominal Thread Diameter
0.312 inches
Details
The length of a straight line which passes through the center of the nonmachine threaded portion,and terminates at the circumference.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.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 |
Certified Supplier
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Manufacturer
FAQs
Frequently asked questions for NSN 5305-00-218-6421
What is the NIIN of the NSN 5305-00-218-6421?
The National Item Identification Number (NIIN) of the NSN 5305-00-218-6421 is 00-218-6421
When the NSN 5305-00-218-6421 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Wed, May 2, 1973
Does the NSN 5305-00-218-6421 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-218-6421 contain any hazardous material?
No data in HMIRS
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