Machine Thread Bushing

A-10-3-204

A-10-3-204
(NSN) National Stock Number
5365-01-078-2603
Federal Supply Classification
5365 Bushings, Rings, Shims and Spacers
Item Name Code
18019
Schedule B Code
-
Summary

Right-hand thread direction, 0.185 inches nominal counterbore diameter, 0.188 inches nominal counterbore depth, 0.286 inches minimum and 0.296 inches maximum overall length, hexagon wrenching facility shape, 0.222 inches minimum and 0.232 inches maximum screw thread length

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

A straight nonfluid fitting with wrenching facilities on one end and external threads, other than pipe or hose series, on the other end. It has an unthreaded through hole in its axis which may be countersunk and/or counterbored on one or both ends. It is designed to accommodate a shaft, or the like, or used to reinforce a hole in a bulkhead, or the like. For similar items specifically designed for use in a stuffing box, see packing nut. For nonfluid items with an internal thread, see insert, screw thread; or adapter bushing. Excludes:reducer, boss; and items designed to accommodate a tube or tube fitting.

INC FIIG Concept Condition
18019 A540S0 - 1
Specifications
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.
Counterbore Diameter
0.185 inches nominal
Details The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.
Counterbore Depth
0.188 inches nominal
Details The depth of the process used to enlarge part of a hole.
Overall Length
0.286 inches minimum and 0.296 inches maximum
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Wrenching Facility Shape
hexagon
Details The physical configuration of the facility utilized to assemble or disassemble the item.
Screw Thread Length
0.222 inches minimum and 0.232 inches maximum
Details A measurement of the extent of screw threads,including incomplete screw threads,along a line parallel to the longitudinal thread axis.
Width Across Flats
0.190 inches nominal
Details The shortest straight line between flats,perpendicular to the height.
Counterbore Location
wrenching end
Details Indicates the location of the counterbore on the item.
Hole Inside Diameter
0.136 inches nominal
Details The length of a straight line which passes through the center of the hole,and terminates at the inside circumference.
Features Provided
counterbore
Details Those features,not otherwise specified,which may be required for proper functioning of the item.
Thread Quantity Per Inch
24
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.312 inches
Details A designation that is used for the purpose of general identification of the thread.
Special Features
wrenching facility internal
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.
Material
steel
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
aisi 4037 assn std single material response
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
oxide
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.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
58860 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
COMTEC INFORMATION SYSTEMS INC DIGITRONICS DIV
CAGE: 04643
LINCOLN , RI , 02865-3749
UNITED STATES
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FAQs
Frequently asked questions for NSN 5365-01-078-2603
What is the NIIN of the NSN 5365-01-078-2603?
The National Item Identification Number (NIIN) of the NSN 5365-01-078-2603 is 01-078-2603
When the NSN 5365-01-078-2603 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Sun, Jun 10, 1979
Does the NSN 5365-01-078-2603 contain any precious metals?
Does not contain precious metal
Does the NSN 5365-01-078-2603 contain any hazardous material?
No data in HMIRS

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