Hexagon Head Cap Screw

231648

231648
(NSN) National Stock Number
5305-00-033-4887
Federal Supply Classification
5305 Screws
Item Name Code
18257
Schedule B Code
7318152000
Summary

Right-hand thread direction, 0.452 inches minimum and 0.552 inches maximum thread length, 0.552 inches minimum and 0.572 inches maximum fastener length, hexagon head style, 0.146 inches minimum and 0.166 inches maximum head height, 0.438 inches nominal width between flats

DAC HCC DMIL RNCC
X - - 5
RNVC SADC MSDS RNAAC
9 - - XX
Identification

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

INC FIIG Concept Condition
18257 A003B0 - 1
Specifications
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
0.452 inches minimum and 0.552 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.552 inches minimum and 0.572 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
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
0.146 inches minimum and 0.166 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.438 inches nominal
Details None.
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.
Nonstandard Thread Pitch Diameter
+0.2216 to 0.2238 inches
Details The minimum and maximum pitch diameter limits of a nonstandard straight screw thread.
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.
Hardness Rating
30.0 rockwell c minimum and 38.0 rockwell c maximum overall
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Criticality Code Justification
feat
Details The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
Special Features
essential to wpn sys performance and operation. failure could cause catastrophic or critical failure resulting in the loss of or serious damage to the aircraft or weapon sys or in uncommanded engine shutdown
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
ams 5616 assn std single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
passivate 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.
Thread Series Designator
unf
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
231648 92215 5 - 3 2 - KZ
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 -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
CAGE: 77445
EAST HARTFORD , CT , 06118-3811
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-033-4887
What is the NIIN of the NSN 5305-00-033-4887?
The National Item Identification Number (NIIN) of the NSN 5305-00-033-4887 is 00-033-4887
When the NSN 5305-00-033-4887 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-033-4887 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-033-4887 contain any hazardous material?
No data in HMIRS

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