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Helical Compression Spring Seat NSN 5340-01-132-8990

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 5340-01-132-8990 NSN: 5340-01-132-8990

Features and Characteristics

Countersink Angle In Deg
30.0
Counterbore Diameter
Between 0.4380 inches and 0.4540 inches
Overall Height
Between 0.7400 inches and 0.7600 inches
First Step Diameter
Between 0.7950 inches and 0.8050 inches
Bore Diameter
Between 0.4380 inches and 0.4400 inches
Material Hardness Rating
32.0 rockwell c
Design Type
Split
Countersink Diameter
Between 0.5570 inches and 0.5670 inches
End Diameter
Between 0.7950 inches and 0.8050 inches
Distance From End To First Step
Between 0.6510 inches and 0.6610 inches
Counterbore Length
Between 0.0890 inches and 0.0990 inches
Material
Steel, astm a108
Material
Steel, astm a108
Style Designator
Seat
FSC
5340 Commercial Hardware
NIIN
011328990
NSN
5340011328990

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
705712A
Cage Code:
99167
Status:
A
MSDS:
Part Number:
705712
Cage Code:
99167
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-01-132-8990
What are the manufacturers of nsn 5340011328990?
Does this nsn 5340011328990 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340011328990
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 5340011328990 contain any precious metals?
No precious metal content.
Does nsn 5340011328990 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340011328990?
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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