Internal Wrenching Bolt

431B502PC56

431B502PC56
(NSN) National Stock Number
5306-00-404-8294
Federal Supply Classification
5306 Bolts
Item Name Code
06666
Schedule B Code
-
Summary

2a thread class, 1.875 inches nominal thread length, 3.500 inches nominal fastener length, 2.234 inches minimum and 2.250 inches maximum head diameter, 1.480 inches minimum and 1.500 inches maximum head height, 1.318 inches minimum and 1.323 inches maximum first diameter from head

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

INC FIIG Concept Condition
06666 A003B0 - 1
Specifications
Thread Class
2a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Length
1.875 inches nominal
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
3.500 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 Diameter
2.234 inches minimum and 2.250 inches maximum
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Head Height
1.480 inches minimum and 1.500 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
First Diameter From Head
1.318 inches minimum and 1.323 inches maximum
Details None.
Distance From Largest Bearing Surface Of Head To End Of First Diameter
1.625 inches nominal
Details None.
Width Across Flats
1.000 inches minimum and 1.005 inches maximum
Details The shortest straight line between flats,perpendicular to the height.
Part Name Assigned By Controlling Agency
navy special project
Details The name assigned to the item by the government agency or commercial organization controlling the design of the item.
Special Features
tapered threads
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
431B502PC56 01289 5 - 5 2 - 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
48950 - W -
RVC WCC TCC SHC
- 573 Z 9

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Manufacturer
NAVAL SHIP SYSTEMS COMMAND
CAGE: 80064
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FAQs
Frequently asked questions for NSN 5306-00-404-8294
What is the NIIN of the NSN 5306-00-404-8294?
The National Item Identification Number (NIIN) of the NSN 5306-00-404-8294 is 00-404-8294
When the NSN 5306-00-404-8294 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Aug 6, 1969
Does the NSN 5306-00-404-8294 contain any precious metals?
Does not contain precious metal
Does the NSN 5306-00-404-8294 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5306-00-404-8294?
No known electrostatic discharge

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