Hexagon Head Cap Screw

B1831BH025C175N

B1831BH025C175N
(NSN) National Stock Number
5305-00-071-2510
Federal Supply Classification
5305 Screws
Item Name Code
18257
Schedule B Code
8710000090
Summary

2a thread class, right-hand thread direction, 0.750 inches minimum and 0.938 inches maximum thread length, 1.688 inches minimum and 1.750 inches maximum fastener length, hexagon head style, 0.150 inches minimum and 0.163 inches maximum head height

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
1 - - 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.
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
0.750 inches minimum and 0.938 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
1.688 inches minimum and 1.750 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
0.150 inches minimum and 0.163 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.428 inches minimum and 0.438 inches maximum
Details None.
End Item Identification
mrap - m-atv w/cs13 pop and sne; multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Details The national stock number or the identification information of the end equipment for which the item is a part.
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.
Minimum Tensile Strength
150000 pounds per square inch
Details The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
Surface Finish
63.0 microinches threads
Details Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
saej429 grade 8 assn std single material response or astma354 grade bd 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
zinc 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
astm 633 assn std single treatment response 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.
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
10386530 A486G 9 - 6 9 - WF
5P2675 D9182 6 - C 1 - ZZ
5305-071-2238 A00AM 9 - 6 9 - YP
5305000712238 A00AM 9 - 6 9 - YP
5305000712510 A00AM 9 - 6 9 - YP
53050712510 A00AM 9 - 6 9 - YP
5305PL0794143 9009H 9 - 6 9 - WP
B1821BH025C175N 80204 4 - 5 9 - ZZ
9415802 24617 5 - 5 1 - KZ
9415803 24617 5 - 5 1 - KZ
9422949 24617 5 - 5 1 - KZ
AES01C250A75AW9A91 05047 E - 3 2 - ZZ
197-017 72741 E - C 1 - TU
MS90728-13 96906 4 - 4 1 - 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
AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE
CAGE: 80204
WASHINGTON , DC , 20036-3804
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-071-2510
What is the NIIN of the NSN 5305-00-071-2510?
The National Item Identification Number (NIIN) of the NSN 5305-00-071-2510 is 00-071-2510
When the NSN 5305-00-071-2510 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-071-2510 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-071-2510 contain any hazardous material?
No data in HMIRS

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