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Helical Compression Spring Seat NSN 5340-00-721-5103

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 5340-00-721-5103 NSN: 5340-00-721-5103

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Features and Characteristics

Countersink Angle In Deg
45.0
Chamfer Angle In Deg
7.0
Counterbore Diameter
0.6600 inches
Overall Height
Between 0.3030 inches and 0.3530 inches
First Step Diameter
Between 0.7400 inches and 0.7500 inches
First Step Length
Between 0.0470 inches and 0.0770 inches
Second Step Diameter
Between 1.0500 inches and 1.0700 inches
Bore Diameter
0.4325 inches
Seat Angle In Deg
80.0
Material Hardness Rating
Between 30.0 rockwell b and 65.0 rockwell b
Second End Diameter
1.0400 inches
Design Type
Solid
Countersink Diameter
0.4850 inches
End Diameter
Between 0.5200 inches and 0.5400 inches
Bore Taper In Deg
7.0
Distance From End To First Step
Between 0.1260 inches and 0.1860 inches
Counterbore Length
0.0470 inches
Special Features
Matl-steel fed-std-66 aisi/sae 1010; not casehardened
Material
Steel
Material
Steel
Style Designator
Seat
Fsc Application Data
Cylinder head assembly, diesel engine
FSC
5340 Commercial Hardware
NIIN
007215103
NSN
5340007215103

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
119806
Cage Code:
15434
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-00-721-5103
What are the manufacturers of nsn 5340007215103?
Does this nsn 5340007215103 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340007215103
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 5340007215103 contain any precious metals?
Precious metal content is unknown.
Does nsn 5340007215103 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340007215103?
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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