Tapping Screw
144791
(NSN) National Stock Number
5305-00-014-4791
Federal Supply Classification
5305 Screws
Item Name Code
41756
Schedule B Code
7318140000
Summary
0.250 inches nominal fastener length, pan no. 2 head style, 0.256 inches minimum and 0.270 inches maximum head diameter, 0.072 inches minimum and 0.082 inches maximum head height, slot internal drive style, casehardened features provided
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 4 | - | - | C |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | 9X | - | 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
0.250 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
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 0.270 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.Internal Drive Style
slot
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
gimlet point (type a, ab or ba)
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.Nonmachine Nominal Thread Diameter
0.138 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 and chromate 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 ty 2 cl 3 fed spec all treatment responses 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.Nondefinitive Spec/Std Data
a type
Details
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.Departure From Cited Document
as modified by casehardening and surface treatment
Details
The technical differentiating characteristic/s/ of an item of supply which depart/s/ from the text of a specification or a standard in that it represents a selection of characteristics stated in the specification or standard as being optional,or a variation from one or more of the stated characteristics,or an additional characteristic not stated in the specification or standard.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| FFS107 | 81348 | 3 | - | 4 | 1 | - | 75 |
| 144791 | 24617 | 4 | - | 3 | 9 | - | 75 |
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 5305-00-014-4791
What is the NIIN of the NSN 5305-00-014-4791?
The National Item Identification Number (NIIN) of the NSN 5305-00-014-4791 is 00-014-4791
When the NSN 5305-00-014-4791 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-014-4791 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-014-4791 contain any hazardous material?
No data in HMIRS
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