Tapping Screw

PK79XZ6-10

PK79XZ6-10
(NSN) National Stock Number
5305-00-282-0438
Federal Supply Classification
5305 Screws
Item Name Code
41756
Schedule B Code
7318140000
Summary

0.625 inches nominal fastener length, flat countersunk head style, 0.257 inches minimum and 0.279 inches maximum head diameter, cross recess type 1 internal drive style, dog type (type b or c) nonmachine thread style, 100.0 degrees nominal countersink angle

DAC HCC DMIL RNCC
X - - 3
RNVC SADC MSDS RNAAC
9 - - XX
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
0.625 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
flat countersunk
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.257 inches minimum and 0.279 inches maximum
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
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.
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.
Countersink Angle
100.0 degrees nominal
Details The included angle of the countersink.
Nonmachine Nominal Thread Diameter
0.137 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 U
RVC WCC TCC SHC
- 713 Z 9

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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 5305-00-282-0438
What is the NIIN of the NSN 5305-00-282-0438?
The National Item Identification Number (NIIN) of the NSN 5305-00-282-0438 is 00-282-0438
When the NSN 5305-00-282-0438 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-282-0438 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-282-0438 contain any hazardous material?
No data in HMIRS

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