Shoulder Bolt

VS3251-4-3

VS3251-4-3
(NSN) National Stock Number
5306-00-352-0663
Federal Supply Classification
5306 Bolts
Item Name Code
04905
Schedule B Code
-
Summary

3a thread class, 0.371 inches minimum and 0.405 inches maximum thread length, 0.598 inches minimum and 0.628 inches maximum fastener length, dished hexagon head style, 0.156 inches minimum and 0.171 inches maximum head height, 0.492 inches minimum and 0.502 inches maximum width between flats

DAC HCC DMIL RNCC
A - - 5
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 Length
0.371 inches minimum and 0.405 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.598 inches minimum and 0.628 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
dished hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
0.156 inches minimum and 0.171 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.492 inches minimum and 0.502 inches maximum
Details None.
Shoulder Diameter
0.3115 inches minimum and 0.3120 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
0.178 inches minimum and 0.198 inches maximum 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.
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.
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
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
ST3M494-4-3 K5673 5 - 5 2 - ZZ
VS3251-4-3 06950 5 - 5 2 - ZZ
PBF1263-4-3 27624 A - 5 2 - KZ
ST3M494-4-3 80539 A - 5 2 - KZ
ST3M494-4-3 92215 5 - 5 9 - ZZ
S11-1065-4-3 57928 A - 5 2 - KZ
ST3M494-4-3 76301 2 - 3 2 - SB
ST3M494-4-3 56878 5 - 5 2 - ZZ
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
HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
CAGE: 92215
TORRANCE , CA , 90505-5103
UNITED STATES
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FAQs
Frequently asked questions for NSN 5306-00-352-0663
What is the NIIN of the NSN 5306-00-352-0663?
The National Item Identification Number (NIIN) of the NSN 5306-00-352-0663 is 00-352-0663
When the NSN 5306-00-352-0663 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Sat, Feb 2, 1974
Does the NSN 5306-00-352-0663 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-352-0663 contain any hazardous material?
No data in HMIRS

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