Tapping Screw
S1021Z4-8
(NSN) National Stock Number
5305-00-205-3103
Federal Supply Classification
5305 Screws
Item Name Code
41756
Schedule B Code
7318140000
Summary
0.500 inches nominal fastener length, button head style, 0.241 inches minimum and 0.258 inches maximum head diameter, 0.059 inches minimum and 0.069 inches maximum head height, cross recess type 1 internal drive style, casehardened features provided
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
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
0.500 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
button
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.241 inches minimum and 0.258 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.Internal Drive Style
cross recess type 1
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Features Provided
casehardened
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Nonmachine Thread Style
dog type (type b or c)
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.Nonmachine Nominal Thread Diameter
0.112 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 |
|---|---|---|---|---|---|---|---|
| S1021Z4-8 | 71379 | 5 | - | 3 | 9 | - | SB |
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 | U |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
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Manufacturer
FAQs
Frequently asked questions for NSN 5305-00-205-3103
What is the NIIN of the NSN 5305-00-205-3103?
The National Item Identification Number (NIIN) of the NSN 5305-00-205-3103 is 00-205-3103
When the NSN 5305-00-205-3103 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Wed, Apr 4, 1973
Does the NSN 5305-00-205-3103 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-205-3103 contain any hazardous material?
No data in HMIRS
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