Shoulder Bolt

176773

176773
(NSN) National Stock Number
5306-00-308-2941
Federal Supply Classification
5306 Bolts
Item Name Code
04905
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 0.438 inches minimum thread length, 1.570 inches minimum and 1.580 inches maximum fastener length, flat chamfer head style, 0.740 inches minimum and 0.760 inches maximum head diameter

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

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes:thumbscrew.

INC FIIG Concept Condition
04905 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
0.438 inches minimum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
1.570 inches minimum and 1.580 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 chamfer
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.740 inches minimum and 0.760 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
0.050 inches minimum and 0.060 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Shoulder Diameter
0.256 inches minimum first shoulder and 0.260 inches maximum first shoulder
Details The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
Shoulder Length
1.137 inches nominal first shoulder
Details The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
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.
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.
Shoulder Shape
round first shoulder
Details The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
Material
steel comp 8740 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
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.
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
RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
CAGE: 77445
EAST HARTFORD , CT , 06118-3811
UNITED STATES
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FAQs
Frequently asked questions for NSN 5306-00-308-2941
What is the NIIN of the NSN 5306-00-308-2941?
The National Item Identification Number (NIIN) of the NSN 5306-00-308-2941 is 00-308-2941
When the NSN 5306-00-308-2941 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-308-2941 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-308-2941 contain any hazardous material?
No data in HMIRS

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