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Preformed Packing NSN 5330-00-821-1721

Item Description

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

NSN 5330-00-821-1721 NSN: 5330-00-821-1721

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Features and Characteristics

Cross Sectional Shape
Special
Cross-sectional Height
Between 0.128 inches and 0.130 inches
Center Hole Diameter
Between 0.809 inches and 0.811 inches
Peripheral Diameter
Between 1.227 inches and 1.230 inches
Material
Plastic polytetrafluoroethylene
Material Specification
Ams 3651 assn standard single material response
FSC
5330 Packing And Gasket Materials
NIIN
008211721
NSN
5330008211721

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
933A236P1
Cage Code:
07482
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 3926904500
  • NAICS: 339991
  • SITC: 89399
  • Description: Gaskets,washers & other seals
  • End Use (Code 12770):
    Other industrial supplies

Q & A

Frequently asked questions for NSN 5330-00-821-1721
What are the manufacturers of nsn 5330008211721?
Does this nsn 5330008211721 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5330008211721
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. it may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. excludes felt items but includes multimaterial items in which one of the materials is felt. for solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. for rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. for circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Does nsn 5330008211721 contain any precious metals?
Precious metal content is unknown.
Does nsn 5330008211721 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5330008211721?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
04521
FIIG:
A032A0
App. Key:
AC
Cond. Code:
1
Status:
A

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