Socket Head Cap Screw

4-00492-139

4-00492-139
(NSN) National Stock Number
5305-00-186-6232
Federal Supply Classification
5305 Screws
Item Name Code
16282
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 1.239 inches minimum and 1.402 inches maximum thread length, 1.438 inches minimum and 1.500 inches maximum fastener length, flat countersunk head style, 0.359 inches minimum and 0.385 inches maximum head diameter

DAC HCC DMIL RNCC
1 - - 5
RNVC SADC MSDS RNAAC
9 - - KE
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

INC FIIG Concept Condition
16282 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
1.239 inches minimum and 1.402 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
1.438 inches minimum and 1.500 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
flat countersunk
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.359 inches minimum and 0.385 inches maximum
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Locking Feature
pellet threads
Details An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
Internal Drive Style
slot
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
Nominal Thread Diameter
0.190 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
24
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
70000 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.
Countersink Angle
80.0 degrees minimum and 82.0 degrees maximum
Details The included angle of the countersink.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
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
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
NKS35249-76 26233 1 - 3 2 - KE
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
50600 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
ARMA DIV AMBAC INDUSTRIES INC
CAGE: 03848
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FAQs
Frequently asked questions for NSN 5305-00-186-6232
What is the NIIN of the NSN 5305-00-186-6232?
The National Item Identification Number (NIIN) of the NSN 5305-00-186-6232 is 00-186-6232
When the NSN 5305-00-186-6232 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Fri, Mar 2, 1973
Does the NSN 5305-00-186-6232 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-186-6232 contain any hazardous material?
No data in HMIRS

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