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Helical Compression Spring Seat NSN 5340-00-030-0990

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 5340-00-030-0990 NSN: 5340-00-030-0990

Features and Characteristics

Countersink Angle In Deg
45.0
Counterbore Diameter
0.7500 inches
Overall Height
0.5000 inches
First Step Diameter
1.3440 inches
Bore Diameter
0.3750 inches
Design Type
Solid
Countersink Diameter
Between 0.8630 inches and 0.8730 inches
End Diameter
0.7500 inches
Distance From End To First Step
0.3750 inches
Counterbore Length
0.3910 inches
Features Provided
Casehardened
Material
Steel
Material
Steel
Style Designator
Seat
FSC
5340 Commercial Hardware
NIIN
000300990
NSN
5340000300990

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B9A6514A
Cage Code:
57526
Status:
A
MSDS:
Part Number:
EAD6514A
Cage Code:
24040
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-00-030-0990
What are the manufacturers of nsn 5340000300990?
Does this nsn 5340000300990 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340000300990
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 5340000300990 contain any precious metals?
Precious metal content is unknown.
Does nsn 5340000300990 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340000300990?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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