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Helical Compression Spring Seat NSN 5340-01-254-1470

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 5340-01-254-1470 NSN: 5340-01-254-1470

Features and Characteristics

Counterbore Diameter
1.7500 inches
Overall Height
0.9000 inches
First Step Diameter
Between 2.6050 inches and 2.6150 inches
First Step Length
0.1200 inches
Bore Diameter
1.5000 inches
Second End Diameter
Between 1.9650 inches and 1.9750 inches
Design Type
Solid
End Diameter
1.6850 mils and 1.6950 centimeters
Distance From End To First Step
0.1900 inches
Counterbore Length
0.4000 inches
Special Features
First step diameter undercut and relieved shoulder; both ends countersink 30.0 deg
Material
Aluminum alloy, qq-a-225/9, alloy 7075, t7351 or aluminum alloy, qq-a-200/11, t73511 or t7351 or t73 or t7351
Material
Aluminum alloy 7075 or aluminum alloy, qq-a-200/11, t73511 or t7351 or t73 or t7351
Material Specification
Qq-a-225/9, alloy 7075, t7351 federal specification 1st material response
Surface Treatment
Anodize
Surface Treatment Specification
Ps15548, mcdonnel aircraft co mfr ref single treatment response
Style Designator
Seat
Surface Treatment
Anodize, ps15548, mcdonnel aircraft co
FSC
5340 Commercial Hardware
NIIN
012541470
NSN
5340012541470

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
68A412739-2001
Cage Code:
76301
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-01-254-1470
What are the manufacturers of nsn 5340012541470?
Does this nsn 5340012541470 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340012541470
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 5340012541470 contain any precious metals?
No precious metal content.
Does nsn 5340012541470 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340012541470?
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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