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Helical Compression Spring Seat NSN 5340-00-878-1657

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 5340-00-878-1657 NSN: 5340-00-878-1657

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Features and Characteristics

Counterbore Diameter
1.7600 inches
Overall Height
0.1800 inches
Bore Diameter
0.5200 inches
Design Type
Solid
End Diameter
1.9400 inches
Counterbore Length
0.1000 inches
Err Default
Err default
Spherical Seat Top Radius
Between 0.0160 inches and 0.0470 inches
Special Features
Not casehardened
Material
Aluminum alloy, qq-a-268-canceled
Material
Aluminum alloy 2024
Material Specification
Qq-a-268-canceled federal specification single material response
Style Designator
Seat
Fsc Application Data
Separator, water, aircraft air conditioning system
FSC
5340 Commercial Hardware
NIIN
008781657
NSN
5340008781657

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
556549
Cage Code:
73030
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-00-878-1657
What are the manufacturers of nsn 5340008781657?
Does this nsn 5340008781657 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340008781657
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 5340008781657 contain any precious metals?
Precious metal content is unknown.
Does nsn 5340008781657 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340008781657?
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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