Externally Relieved Body Bolt

99-553-0481

99-553-0481
(NSN) National Stock Number
5306-00-125-9661
Federal Supply Classification
5306 Bolts
Item Name Code
06675
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 0.510 inches minimum and 0.550 inches maximum thread length, 1.080 inches nominal fastener length, round w/wrench flats chamfered head style, 0.625 inches nominal head diameter

DAC HCC DMIL RNCC
9 - - 6
RNVC SADC MSDS RNAAC
9 - - 9Z
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

INC FIIG Concept Condition
06675 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
0.510 inches minimum and 0.550 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
1.080 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
round w/wrench flats chamfered
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.625 inches nominal
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Head Height
0.120 inches nominal
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.431 inches minimum and 0.488 inches maximum
Details None.
First Diameter From Head
0.246 inches minimum and 0.249 inches maximum
Details None.
Second Diameter From Head
0.190 inches minimum and 0.195 inches maximum
Details None.
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.200 inches minimum and 0.230 inches maximum
Details None.
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.530 inches minimum and 0.570 inches maximum
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.
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.
Externally Relieved Body Diameter Quantity
1
Details The number of externally relieved diameters on the body,adjacent to the head.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Thread Series Designator
unjf
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
B486385 K0378 5 - 5 2 - KE
B486385 K0680 5 - 5 2 - KE
B486385 52096 5 - 3 9 - KZ
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
48950 - W -
RVC WCC TCC SHC
- 573 Z 9

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Manufacturer
NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
CAGE: 99995
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FAQs
Frequently asked questions for NSN 5306-00-125-9661
What is the NIIN of the NSN 5306-00-125-9661?
The National Item Identification Number (NIIN) of the NSN 5306-00-125-9661 is 00-125-9661
When the NSN 5306-00-125-9661 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Wed, Jan 22, 1975
Does the NSN 5306-00-125-9661 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-125-9661 contain any hazardous material?
No data in HMIRS

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