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Helical Compression Spring Seat NSN 5340-00-179-6429

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 5340-00-179-6429 NSN: 5340-00-179-6429

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Features and Characteristics

Overall Height
Between 0.4380 inches and 0.4400 inches
First Step Diameter
Between 0.4335 inches and 0.4355 inches
Bore Diameter
Between 0.2350 inches and 0.2450 inches
Design Type
Solid
End Diameter
Between 0.3650 inches and 0.3750 inches
Distance From End To First Step
Between 0.3550 inches and 0.3650 inches
Special Features
Matl-cres steel ams 5643, comp 17-4ph; passivated, hrps-161 hydraulic research; right end c/bored 0.307/0.308 in. Diameter by 0.180/0.185 in. Deep, right end slotted 4 places equally spaced 0.093 in. W by 0.080 in. Deep, 4 holes 0.109 in. Diameter equally spaced drilled through seat 0.306 in. From right end
Material
Steel, corrosion resisting
Material
Stainless steel
Surface Treatment
Passivate
Surface Treatment
Passivated
Test Data Document
81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
FSC
5340 Commercial Hardware
NIIN
001796429
NSN
5340001796429

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
42578-2
Cage Code:
81873
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-00-179-6429
What are the manufacturers of nsn 5340001796429?
Does this nsn 5340001796429 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340001796429
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 5340001796429 contain any precious metals?
Precious metal content is unknown.
Does nsn 5340001796429 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340001796429?
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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