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Helical Compression Spring Seat NSN 5340-01-221-0278

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 5340-01-221-0278 NSN: 5340-01-221-0278

Features and Characteristics

Overall Height
Between 0.1200 inches and 0.1400 inches
First Step Diameter
Between 0.6100 inches and 0.6300 inches
Bore Diameter
Between 0.2970 inches and 0.3000 inches
Material Hardness Rating
Not rated
Design Type
Solid
End Diameter
Between 0.4800 inches and 0.4900 inches
Distance From End To First Step
0.0800 inches
Material
Steel, qq-s-763, class 302 or steel, mil-s-5059, comp 302 or steel, qq-s-763, class 304 or steel, qq-s-763, class 305 or steel, qq-s-763, class 309 or steel, qq-s-763, class 310 or steel, qq-s-763, class 317 or steel, qq-s-763, class 347 or steel, qq-s-766, class 321 or steel, qq-s-766, class 347 or steel, mil-s-5059, comp 316 or 304 or 301 or steel, qq-s-766, class 302 or 3o4 or 305 or 309 or 310 or 316 or 323 or 348 or 301
Material
Steel comp 302 or steel comp 302 or steel comp 304 or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 317 or steel comp 347 or steel comp 321 or steel comp 347 or steel, mil-s-5059, comp 316 or 304 or 301 or steel, qq-s-766, class 302 or 3o4 or 305 or 309 or 310 or 316 or 323 or 348 or 301
Material Specification
Qq-s-763, class 302 federal specification 1st material response and mil-s-5059, comp 302 military specification 2nd material response and qq-s-763, class 304 federal specification 3rd material response and qq-s-763, class 305 federal specification 4th material response and qq-s-763, class 309 federal specification 5th material response and qq-s-763, class 310 federal specification 6th material response and qq-s-763, class 317 federal specification 7th material response and qq-s-763, class 347 federal specification 8th material response and qq-s-766, class 321 federal specification 9th material response and qq-s-766, class 347 federal specification 10th material response
Style Designator
Seat
FSC
5340 Commercial Hardware
NIIN
012210278
NSN
5340012210278

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S9404-96
Cage Code:
99193
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-01-221-0278
What are the manufacturers of nsn 5340012210278?
Does this nsn 5340012210278 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340012210278
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 5340012210278 contain any precious metals?
No precious metal content.
Does nsn 5340012210278 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340012210278?
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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