Machine Screw

189421

189421
(NSN) National Stock Number
5305-00-018-9421
Federal Supply Classification
5305 Screws
Item Name Code
06657
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 1.750 inches minimum thread length, 3.250 inches nominal fastener length, round head style, 0.443 inches minimum and 0.492 inches maximum head diameter

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

INC FIIG Concept Condition
06657 A500D0 - 1
Specifications
Thread Class
2a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Thread Length
1.750 inches minimum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
3.250 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
round
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.443 inches minimum and 0.492 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
0.160 inches minimum and 0.175 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.
Nominal Thread Diameter
0.250 inches
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Thread Quantity Per Inch
20
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Screw Material
steel comp 1010 or steel comp 1011 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1022 or steel comp 4032 or steel comp 1137
Details The chemical compound or mechanical mixture properties of which the screw is fabricated.
Screw Material Document And Classification
66 fed std all material responses
Details The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the screw material.
Screw Surface Treatment
cadmium or zinc
Details The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Thread Series Designator
unc
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
FFS92TYPE1STYLE1S 81348 E - 4 1 - XX
189421 24617 X - 3 9 - XX
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
63220 - W -
RVC WCC TCC SHC
- 72E Z 9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Fast Quote Times
  • Qualified sales team
  • 100% Product Inspections
  • Counterfeit Parts Prevention
Manufacturer
GENERAL MOTORS LLC
CAGE: 7X677
WARREN , MI , 48093-1816
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5305-00-018-9421
What is the NIIN of the NSN 5305-00-018-9421?
The National Item Identification Number (NIIN) of the NSN 5305-00-018-9421 is 00-018-9421
When the NSN 5305-00-018-9421 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-018-9421 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-018-9421 contain any hazardous material?
No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

We are one of the largest suppliers of National Stock Number (NSN) parts in the world. Here at NSN Equipment, we live on the cutting edge to give you the best service we possibly can.

And that service is why our customers return to us time and time again. Our credibility and our accolades only serve as testament to our industry-leading nature.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2024 NSN Equipment, Inc. All rights reserved.
Made in USA