Self-Drilling Screw

90821A355

90821A355
(NSN) National Stock Number
5305-01-647-0247
Federal Supply Classification
5305 Screws
Item Name Code
38031
Schedule B Code
-
Summary

0.500 inches nominal fastener length, hexagon extended washer head style, 0.151 inches nominal head height, 0.3125 inches nominal width between flats, 0.414 inches nominal extended washer diameter, 0.250 inches nominal pilot length

DAC HCC DMIL RNCC
1 - - 5
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

A hardened, externally-threaded fastener with a self-drilling point. It drills, taps and fastens and may have a machine screw thread or a nonmachine screw thread. The threads usually extend from behind the pilot to the bearing surface of the head.

INC FIIG Concept Condition
38031 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
hexagon extended washer
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
0.151 inches nominal
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.3125 inches nominal
Details None.
Extended Washer Diameter
0.414 inches nominal
Details None.
Pilot Length
0.250 inches nominal
Details The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.
Point Style
self-drilling
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
Internal Drive Style
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
Material
aluminum overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
EAH430MC 5MQU3 1 - 3 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A A -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
50600 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
MCMASTER-CARR SUPPLY CO
CAGE: 39428
ELMHURST , IL , 60126-2034
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-01-647-0247
What is the NIIN of the NSN 5305-01-647-0247?
The National Item Identification Number (NIIN) of the NSN 5305-01-647-0247 is 01-647-0247
When the NSN 5305-01-647-0247 was assigned to the Federal Catalog?
It was assigned 9 years ago, on Sat, Aug 8, 2015
Does the NSN 5305-01-647-0247 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-647-0247 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5305-01-647-0247?
No known electrostatic discharge

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