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Preformed Packing NSN 5330-01-503-0421

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 5330-01-503-0421 NSN: 5330-01-503-0421

Features and Characteristics

Cross Sectional Shape
U with o-ring
Cross-sectional Height
0.500 inches
Center Hole Diameter
2.250 inches
Peripheral Diameter
2.875 inches
End Application
Seawolf submarine ssn 23, external athwartship drive, handling system gearbox assembly
Part Name Assigned By Controlling Agency
Polypak, deep
Material
Rubber polyurethane and disulfide molybdenum
Material Specification
(30781)molythane, 4615a90; -65 degrees to +200 degrees f mfr ref single material response
FSC
5330 Packing And Gasket Materials
NIIN
015030421
NSN
5330015030421

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
31202250-500
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
4615 31202250-500
Cage Code:
30781
Status:
A
MSDS:
Part Number:
596-7410332-47
Cage Code:
53711
Status:
A
MSDS:
Part Number:
B434-5410-47
Cage Code:
96169
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 5330-01-503-0421
What are the manufacturers of nsn 5330015030421?
Does this nsn 5330015030421 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5330015030421
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 5330015030421 contain any precious metals?
Precious metal content is unknown.
Does nsn 5330015030421 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5330015030421?
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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