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Preformed Packing Back-up Ring NSN 5330-01-566-0385

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 5330-01-566-0385 NSN: 5330-01-566-0385

Features and Characteristics

Cross Sectional Shape
Single turn spiral
Cross-sectional Height
Between 0.065 inches and 0.075 inches
Center Hole Diameter
Between 2.500 inches and 2.502 inches
Peripheral Diameter
Between 2.844 inches and 2.848 inches
End Application
Ssn 688 class submarine periscope hoist cylinder
Part Name Assigned By Controlling Agency
Retainer, packing, back-up
Special Features
1-19 to 22 degree of .007 inch wide scarf cut
Material
Plastic polytetrafluoroethylene
FSC
5330 Packing And Gasket Materials
NIIN
015660385
NSN
5330015660385

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8328805-12
Cage Code:
53711
Status:
A
MSDS:
Part Number:
6640222-12
Cage Code:
53711
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5330-01-566-0385
What are the manufacturers of nsn 5330015660385?
Does this nsn 5330015660385 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5330015660385
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 5330015660385 contain any precious metals?
No precious metal content.
Does nsn 5330015660385 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5330015660385?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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