Drive Screw

MS21318-20

MS21318-20
(NSN) National Stock Number
5305-00-253-5614
Federal Supply Classification
5305 Screws
Item Name Code
15896
Schedule B Code
7318152000
Summary

0.172 inches minimum and 0.204 inches maximum fastener length, round head style, 0.193 inches minimum and 0.211 inches maximum head diameter, 0.075 inches minimum and 0.086 inches maximum head height, 0.092 inches minimum and 0.096 inches maximum pilot diameter, 0.047 inches nominal pilot length

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

A hardened cylindrical fastener with multiple spiral flutes on its shank. It also has an end smaller in diameter than the outside diameter of the spiral flutes, which acts as a pilot when driven into a drilled hole.

INC FIIG Concept Condition
15896 A003B0 - 1
Specifications
Fastener Length
0.172 inches minimum and 0.204 inches maximum
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
0.193 inches minimum and 0.211 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
0.075 inches minimum and 0.086 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Pilot Diameter
0.092 inches minimum and 0.096 inches maximum
Details The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.
Pilot Length
0.047 inches nominal
Details The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.
End Item Identification
w/s:vehicle, aircraft refueler r-14; aircraft, galaxy c-5; aircraft, (ac-130h, mc-130h, ec-130e, hc-130); support equipment, b-1 aircraft; missile, air-to-air, phoenix (aim-54); torpedo, mk 48; missile, all-weather anti-ship, harpoon (agm-84); close in weapon system (ciws-phalanx); missile air-to-air, sparrow (aim-7); ground mobile force satellite comm term (an/tsc-85a);2320-01-097-0260 hemtt (heavy expanded mobility tactical trucks)
Details The national stock number or the identification information of the end equipment for which the item is a part.
Features Provided
casehardened
Details Those features,not otherwise specified,which may be required for proper functioning of the item.
Nonmachine Thread Style
drive screw (type u)
Details The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.
Nonmachine Nominal Thread Diameter
0.114 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
u 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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
412-3333 A486G 9 - 6 9 - WF
145369 D9182 6 - C 1 - ZZ
5952317 S0522 6 - 5 9 - 9Z
5305-253-5614 A00AM 9 - 6 9 - YP
5305002535614 A00AM 9 - 6 9 - YP
5305PL0700216 9009H 9 - 6 9 - WP
5305PL1368859 9009H 9 - 6 9 - WP
11446173 8A932 A - 5 2 - ZZ
11446173 18876 A - 5 2 - ZZ
5000 980000 04801 5 - 5 2 - 9Z
957C389-9 99167 5 - C 1 - ZZ
S021029 03677 1 - 5 9 - PA
FFS107 81348 4 - 4 1 - KZ
H26-845 31435 5 - 5 9 - KZ
922002 99832 5 - 5 9 - CT
AN535-4-3 88044 4 - 5 9 - 9Z
MS21318-20 96906 4 - 5 9 - KZ
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
48950 - W -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
CAGE: 80205
ARLINGTON , VA , 22209
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-253-5614
What is the NIIN of the NSN 5305-00-253-5614?
The National Item Identification Number (NIIN) of the NSN 5305-00-253-5614 is 00-253-5614
When the NSN 5305-00-253-5614 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-253-5614 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-253-5614 contain any hazardous material?
No data in HMIRS

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