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Helical Compression Spring Seat NSN 5340-01-201-9727

Item Description

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 (1), (as modified); seat, ball socket and holder, spring. See also rotor, engine poppet valve.

NSN 5340-01-201-9727 NSN: 5340-01-201-9727

Features and Characteristics

Counterbore Diameter
Between 0.2500 inches and 0.2550 inches
Overall Height
0.4400 inches
First Step Diameter
Between 0.2850 inches and 0.2900 inches
First Step Length
0.0900 inches
Second Step Diameter
0.4800 inches
Bore Diameter
Between 0.2010 inches and 0.2030 inches
Material Hardness Rating
Between 49.0 rockwell c and 53.0 rockwell c
Design Type
Solid
End Diameter
Between 0.2750 inches and 0.2800 inches
Distance From End To First Step
0.2700 inches
Counterbore Length
0.0300 inches
Special Features
Not casehardened
Material
Steel
Material
Steel
Surface Treatment
Passivate
Surface Treatment Specification
Ps13001, mcdonnell douglas corporation mfr ref single treatment response
Style Designator
Seat
Surface Treatment
Passivated, ps13001, mcdonnell douglas corp
FSC
5340 Commercial Hardware
NIIN
012019727
NSN
5340012019727

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3837103-1
Cage Code:
93835
Status:
A
MSDS:
Part Number:
3837043-1
Cage Code:
93835
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-01-201-9727
What are the manufacturers of nsn 5340012019727?
Does this nsn 5340012019727 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340012019727
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 (1), (as modified); seat, ball socket and holder, spring. see also rotor, engine poppet valve.
Does nsn 5340012019727 contain any precious metals?
No precious metal content.
Does nsn 5340012019727 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340012019727?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
24328
FIIG:
T319-E
App. Key:
EA
Cond. Code:
1
Status:
A

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