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Preformed Packing NSN 5330-01-525-8021

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 5330-01-525-8021 NSN: 5330-01-525-8021

Features and Characteristics

Cross Sectional Shape
Square/rectangular
Cross-sectional Height
Between 0.271 inches and 0.291 inches
Center Hole Diameter
Between 0.586 inches and 0.606 inches
Peripheral Diameter
0.812 inches
End Application
Sbmrbl pump
Hardness Rating
60.0 shore durometer a
Part Name Assigned By Controlling Agency
Ring, seal
Color
Black
Material
Rubber butadiene-acrylonitrile class nbr
Material Specification
Material must be parker seal corporation compound no. N7027 mfr ref single material response
FSC
5330 Packing And Gasket Materials
NIIN
015258021
NSN
5330015258021

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
139-014-1
Cage Code:
4L736
Status:
A
MSDS:
Part Number:
SP50AB1 REF.NO.26
Cage Code:
4L736
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 5330-01-525-8021
What are the manufacturers of nsn 5330015258021?
Does this nsn 5330015258021 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5330015258021
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 5330015258021 contain any precious metals?
No precious metal content.
Does nsn 5330015258021 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5330015258021?
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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