Hexagon Head Cap Screw

H433-2019-30

H433-2019-30
(NSN) National Stock Number
5305-01-661-2598
Federal Supply Classification
5305 Screws
Item Name Code
18257
Schedule B Code
7508900000
Summary

2a thread class, hexagon head style, 1.688 inches nominal width between flats, high frequency chin array projector fairing & foundation end item identification, 7 thread quantity per inch, rod, round part name assigned by controlling agency

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
2 - - ZZ
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 Class
2a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Head Style
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Width Between Flats
1.688 inches nominal
Details None.
End Item Identification
high frequency chin array projector fairing & foundation
Details The national stock number or the identification information of the end equipment for which the item is a part.
Thread Quantity Per Inch
7
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Part Name Assigned By Controlling Agency
rod, round
Details The name assigned to the item by the government agency or commercial organization controlling the design of the item.
Special Features
2.50 inches nominal length
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
nickel alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
q-n-286 fed std 13th 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.
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
180-7286534-30 53711 3 - 5 2 - ZZ
M1222RN18C232NCLN 81349 3 - 4 1 - 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
ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
CAGE: 96169
GROTON , CT , 06340-4905
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-01-661-2598
What is the NIIN of the NSN 5305-01-661-2598?
The National Item Identification Number (NIIN) of the NSN 5305-01-661-2598 is 01-661-2598
When the NSN 5305-01-661-2598 was assigned to the Federal Catalog?
It was assigned 7 years ago, on Fri, Feb 24, 2017
Does the NSN 5305-01-661-2598 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-661-2598 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5305-01-661-2598?
No known electrostatic discharge

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