Helical Compression Spring Seat

S749I203

S749I203
(NSN) National Stock Number
5340-00-342-3458
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
24328
Schedule B Code
-
Summary

20.0 chamfer angle in deg, 0.4220 inches nominal overall height, 0.4060 inches nominal first step diameter, 0.0940 inches nominal first step length, 2.8120 inches nominal second step diameter, 0.7190 inches nominal bore diameter

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
9 - - CT
Identification

A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore, designed to accommodate the end of the spring. It is used to position the spring but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer,helical compression spring. Excludes:washer (as modified), seat,ball socket, and holder,spring. See also rotor,engine poppet valve.

INC FIIG Concept Condition
24328 T319-E - 1
Specifications
Chamfer Angle In Deg
20.0
Details The measurement of the chamfer angle,expressed in degrees.
Overall Height
0.4220 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
First Step Diameter
0.4060 inches nominal
Details None.
First Step Length
0.0940 inches nominal
Details None.
Second Step Diameter
2.8120 inches nominal
Details None.
Bore Diameter
0.7190 inches nominal
Details The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
Seat Angle In Deg
30.0
Details The angle of the end surface upon which the mated surface seats,expressed in degrees.
Second End Diameter
1.5940 inches nominal
Details The length of a straight line which passes through the center of the second end,and terminates at the circumference.
Design Type
solid
Details Indicates the design type of the item.
End Diameter
1.0000 inches nominal
Details The length of a straight line which passes through the center of the end of the item,and terminates at the circumference.
Bore Taper In Deg
6.0
Details None.
Distance From End To First Step
0.2190 inches nominal
Details None.
Counterbore Length
0.6200 inches nominal
Details None.
Material
steel
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
seat
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
S749I203 14351 4 - 3 9 - AX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
63220 - W -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
EAGLE CRUSHER CO INC DBA STEDMAN MACHINE CO
CAGE: 18990
GALION , OH , 44833-2612
UNITED STATES
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FAQs
Frequently asked questions for NSN 5340-00-342-3458
What is the NIIN of the NSN 5340-00-342-3458?
The National Item Identification Number (NIIN) of the NSN 5340-00-342-3458 is 00-342-3458
When the NSN 5340-00-342-3458 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5340-00-342-3458 contain any precious metals?
Type/content is unknown
Does the NSN 5340-00-342-3458 contain any hazardous material?
No information in HMIRS

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