Fluid Passage Bolt

MS21939-4L4

MS21939-4L4
(NSN) National Stock Number
4730-00-338-3765
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
18683
Schedule B Code
7609000000
Summary

Body wrenching body style, 0.187 inches nominal concentric hole diameter, 2.869 inches nominal overall length, threaded external tube first end connection type, flareless first end style designator, 3a first end thread class

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

A boltlike item having a concentric hole along the longitudinal centerline which may extend a part or the full length of the item. It has a hole(s) perpendicular to the axis, joining or passing through the concentric hole along the longitudinal centerline. The item is designed to distribute fluid, air, or lubricant through its body to a mating item, such as a connector, multiple, fluid pressure line, bearing(s), bushing(s), or the like. The item must be capable of attaching to a block fitting and/or a tubing line or be designed to accommodate a fitting, lubrication. Excludes:bolt, internally relieved body; bleeder valve, hydraulic system; and bushing, machine thread. See also pin, vehicular leaf spring shackle.

INC FIIG Concept Condition
18683 A121A0 - 1
Specifications
Body Style
body wrenching
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
Concentric Hole Diameter
0.187 inches nominal
Details None.
Overall Length
2.869 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
First End Connection Type
threaded external tube
Details A narrative description of the type of end connection.
First End Style Designator
flareless
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the end.
First End Thread Class
3a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
First End 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.
Second End Connection Type
threaded external tube
Details A narrative description of the type of end connection.
Second End Style Designator
flareless
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the end.
Second End Thread Class
3a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Second End 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.
Width Across Flats
0.684 inches minimum and 0.691 inches maximum
Details The shortest straight line between flats,perpendicular to the height.
First End Thread Length
0.873 inches nominal
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal thread axis.
Second End Thread Length
0.378 inches nominal
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal thread axis.
Wrenching Feature Style
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the wrenching feature.
First Diameter From Wrenching Feature
0.499 inches nominal
Details None.
Second Diameter From Wrenching Feature
0.433 inches nominal
Details None.
Third Diameter From Wrenching Feature
0.499 inches nominal
Details None.
Fourth Diameter From Wrenching Feature
0.364 inches nominal
Details None.
Length From Bearing Surface Of Wrenching Feature To End Of First Diameter
0.354 inches nominal
Details None.
Length From Bearing Surface Of Wrenching Feature To End Of Second Diameter
0.666 inches nominal
Details None.
Length From Bearing Surface Of Wrenching Feature To End Of Third Diameter
0.733 inches nominal
Details None.
Length From Bearing Surface Of Wrenching Feature To End Of Fourth Diameter
1.199 inches nominal
Details None.
First Radial Fluid Hole Diameter
0.189 inches nominal
Details None.
Distance From First Radial Hole Center To End Of Bolt
1.532 inches nominal
Details None.
Length From Bearing Surface Of Wrenching Feature To Bolt End
2.072 inches nominal
Details None.
Wrenching Feature Height
0.344 inches nominal
Details None.
First End Thread Series Designator
unjf
Details A designator distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
First End Seat Angle
12.0 degrees nominal
Details The angle of the end surface upon which the mated surface seats.
First End Nominal Thread Size
0.438 inches
Details The designation which is used for the purpose of general identification of the nominal thread size.
Second End Seat Angle
12.0 degrees nominal
Details The angle of the end surface upon which the mated surface seats.
Second End Nominal Thread Size
0.438 inches
Details The designation which is used for the purpose of general identification of the nominal thread size.
Second End Thread Series Designator
unjf
Details A designator distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Material
aluminum
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
anodize
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
MS21939-4L4 14698 3 - 5 9 - AX
ER01304 79470 3 - 5 9 - AX
ER01304 14728 E - 5 1 - AX
SAE-AS18280 0U583 E - 3 1 - ZZ
MS21939-4L4 96906 3 - 5 9 - AX
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 - J -
RVC WCC TCC SHC
- 573 Z 9

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Manufacturer
SAE INTERNATIONAL
CAGE: 0U583
WARRENDALE , PA , 15086-7511
UNITED STATES
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FAQs
Frequently asked questions for NSN 4730-00-338-3765
What is the NIIN of the NSN 4730-00-338-3765?
The National Item Identification Number (NIIN) of the NSN 4730-00-338-3765 is 00-338-3765
When the NSN 4730-00-338-3765 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Sun, Jan 1, 1961
Does the NSN 4730-00-338-3765 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-338-3765 contain any hazardous material?
No data in HMIRS

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