Helical Compression Spring Seat

220812A

220812A
(NSN) National Stock Number
5340-00-391-3320
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
24328
Schedule B Code
-
Summary

45.0 countersink angle in deg, 0.4930 inches nominal overall height, 0.8750 inches nominal first step diameter, 0.3590 inches nominal bore diameter, split design type, 0.5940 inches nominal countersink diameter

DAC HCC DMIL RNCC
A - - 3
RNVC SADC MSDS RNAAC
2 - - AX
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.
Overall Height
0.4930 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
First Step Diameter
0.8750 inches nominal
Details None.
Bore Diameter
0.3590 inches nominal
Details The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
Design Type
split
Details Indicates the design type of the item.
Countersink Diameter
0.5940 inches nominal
Details The length of a straight line which passes through the center of the countersink,and terminates at the circumference.
End Diameter
0.6410 inches minimum and 0.6460 inches maximum
Details The length of a straight line which passes through the center of the end of the item,and terminates at the circumference.
Distance From End To First Step
0.3930 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 comp 1213
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
sae 1113 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.
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
AB0070864430 52993 6 - 5 9 - AX
07-864430 16662 6 - 5 9 - AX
864430 12603 6 - 5 9 - AX
AB0070864430 3NNX8 5 - 5 2 - ZZ
220812A 28265 A - 5 9 - AX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P A - -
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
BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING
CAGE: 1ML14
MASSILLON , OH , 44646-7943
UNITED STATES
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FAQs
Frequently asked questions for NSN 5340-00-391-3320
What is the NIIN of the NSN 5340-00-391-3320?
The National Item Identification Number (NIIN) of the NSN 5340-00-391-3320 is 00-391-3320
When the NSN 5340-00-391-3320 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5340-00-391-3320 contain any precious metals?
Does not contain precious metal
Does the NSN 5340-00-391-3320 contain any hazardous material?
No information in HMIRS

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