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Preformed Packing Back-up Ring NSN 5330-01-517-7643

Item Description

A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. It prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a packing, preformed or o-ring.

NSN 5330-01-517-7643 NSN: 5330-01-517-7643

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Features and Characteristics

Cross Sectional Shape
Single turn spiral
Cross-sectional Height
Between 0.060 inches and 0.118 inches
Center Hole Diameter
Between 0.625 inches and 0.627 inches
Peripheral Diameter
Between 0.729 inches and 0.735 inches
End Application
V-22 tilt-rotor aircraft
Criticality Code Justification
Agav
Part Name Assigned By Controlling Agency
Retainer, packing; heavy duty back-up ring-single turn
Material
Plastic polytetrafluoroethylene
FSC
5330 Packing And Gasket Materials
NIIN
015177643
NSN
5330015177643

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S13122-016-29
Cage Code:
09257
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5330-01-517-7643
What are the manufacturers of nsn 5330015177643?
Does this nsn 5330015177643 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5330015177643
A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. it prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a packing, preformed or o-ring.
Does nsn 5330015177643 contain any precious metals?
No precious metal content.
Does nsn 5330015177643 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5330015177643?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
66949
FIIG:
A528B0
App. Key:
Cond. Code:
1
Status:
A

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