Tapping Screw
PK44-2-3
(NSN) National Stock Number
5305-00-043-1275
Federal Supply Classification
5305 Screws
Item Name Code
41756
Schedule B Code
7318140000
Summary
0.312 inches nominal fastener length, round head style, 0.146 inches minimum and 0.162 inches maximum head diameter, 0.059 inches minimum and 0.069 inches maximum head height, 0.1460 inches minimum and 0.1620 inches maximum width between flats, slot internal drive style
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | 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
0.312 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
round
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.146 inches minimum and 0.162 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
0.059 inches minimum and 0.069 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.1460 inches minimum and 0.1620 inches maximum
Details
None.Internal Drive Style
slot
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Width Across Flats
0.031 inches nominal
Details
The shortest straight line between flats,perpendicular to the height.Nonmachine Thread Style
double flute (type f)
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.Nonmachine Nominal Thread Diameter
0.086 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.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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| WA-1273-3 | 08484 | 1 | - | 3 | 2 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
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
USM CORP SUB OF EMHART INDUSTRIES INC PARKER-KALON FASTENER DIV
CAGE: 45722
CAMPBELLSVILLE
, KY
, 42718
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-043-1275
What is the NIIN of the NSN 5305-00-043-1275?
The National Item Identification Number (NIIN) of the NSN 5305-00-043-1275 is 00-043-1275
When the NSN 5305-00-043-1275 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Thu, May 11, 1967
Does the NSN 5305-00-043-1275 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-043-1275 contain any hazardous material?
No data in HMIRS
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