Machine Bolt

NAS428-4-32

NAS428-4-32
(NSN) National Stock Number
5306-00-020-3133
Federal Supply Classification
5306 Bolts
Item Name Code
01847
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 3.250 inches minimum thread length, 3.250 inches nominal fastener length, crowned hexagon head style, 0.141 inches nominal head height

DAC HCC DMIL RNCC
4 - - 3
RNVC SADC MSDS RNAAC
2 - - KE
Identification

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

INC FIIG Concept Condition
01847 A003B0 - 1
Specifications
Thread Class
3a
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
3.250 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
crowned hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
0.141 inches nominal
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.
Features Provided
finished head
Details Those features,not otherwise specified,which may be required for proper functioning of the item.
Thread Quantity Per Inch
28
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
125000 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.
Hardness Rating
26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
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.
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.
Specification/Standard Data
80205-nas428 professional/industrial association standard
Details The document designator of the specification or standard which established the item of supply.
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
- 573 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 5306-00-020-3133
What is the NIIN of the NSN 5306-00-020-3133?
The National Item Identification Number (NIIN) of the NSN 5306-00-020-3133 is 00-020-3133
When the NSN 5306-00-020-3133 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Sat, Apr 29, 1967
Does the NSN 5306-00-020-3133 contain any precious metals?
Does not contain precious metal
Does the NSN 5306-00-020-3133 contain any hazardous material?
No data in HMIRS

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