Helical Compression Spring Seat

7521939

7521939
(NSN) National Stock Number
5340-00-301-3984
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
24328
Schedule B Code
-
Summary

45.0 countersink angle in deg, 5.0 chamfer angle in deg, 0.6393 inches minimum and 0.6643 inches maximum overall height, 1.3100 inches minimum and 1.3200 inches maximum first step diameter, 0.0800 inches minimum and 0.0900 inches maximum first step length, 1.7500 inches nominal second step diameter

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
2 - - AZ
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
Countersink Angle In Deg
45.0
Details The included angle of the countersink,expressed in degrees.
Chamfer Angle In Deg
5.0
Details The measurement of the chamfer angle,expressed in degrees.
Overall Height
0.6393 inches minimum and 0.6643 inches maximum
Details The distance measured in a straight line from the bottom to the top of an item.
First Step Diameter
1.3100 inches minimum and 1.3200 inches maximum
Details None.
First Step Length
0.0800 inches minimum and 0.0900 inches maximum
Details None.
Second Step Diameter
1.7500 inches nominal
Details None.
Bore Diameter
0.6520 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
60.0
Details The angle of the end surface upon which the mated surface seats,expressed in degrees.
Material Hardness Rating
85.5 rockwell superficial 15-n minimum and 87.5 rockwell superficial 15-n maximum
Details A numeric value that reflects the hardness of the material when used in conjunction with a hardness rating scale.
Second End Diameter
1.5000 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.
Bore Taper In Deg
15.0
Details None.
Distance From End To First Step
0.4568 inches minimum and 0.4668 inches maximum
Details None.
Counterbore Length
0.0625 inches nominal
Details None.
Features Provided
casehardened
Details Those features,not otherwise specified,which may be required for proper functioning of the item.
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
942A4 56442 5 - 5 9 - TU
913570 58275 5 - 5 9 - SE
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
49790 - Q Q
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
CAGE: 19207
WARREN , MI , 48397
UNITED STATES
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FAQs
Frequently asked questions for NSN 5340-00-301-3984
What is the NIIN of the NSN 5340-00-301-3984?
The National Item Identification Number (NIIN) of the NSN 5340-00-301-3984 is 00-301-3984
When the NSN 5340-00-301-3984 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Sun, Jan 1, 1961
Does the NSN 5340-00-301-3984 contain any precious metals?
Type/content is unknown
Does the NSN 5340-00-301-3984 contain any hazardous material?
No information in HMIRS

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