Model: 21158-1668

Plain Encased Seal

Properties:

Tempurature Rating
-40.0 degrees fahrenheit and 200.0 degrees fahrenheit
Accommodated Shaft Diameter
2.375 inches
Seal Width
Between 0.468 inches and 0.531 inches
Accommodated Shaft Maximum Rated Speed
2000 feet per minute
Case Style
Square
Housing Bore Diameter
3.500 inches
Hardness Rating
80.0 shore durometer a
Sealing Element Style
Angular
Maximum Pressure Rating
7.0 pounds per square inch
Color
Black
Material
Steel case
NSN
5330-00-285-3645
Part Number
21158-1668
Description
Seal,plain Encased
CAGE
73680

A pliable rubber, felt, leather, or composition ring-shaped element, split or solid; with or without spring or spreader, having a metal shell on all or a portion of at least two of the outer surfaces. It may be designed to be either bolt mounted or pressmounted between fixed and moveable parts to form a tight and effective seal by the pressure of the spring or spreader or the resiliency inherent in the element material. Excludes packing with retainer.

Part 21158-1668 NSN 5330-00-285-3645

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04214
FIIG:
A032A0
Concept No.:
App. Key:
BB
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8484200000
  • SITC: 74920
  • End Use: Industrial machines, other
  • NAICS: 339991
  • USDA: 1

Freight Class: Mechanical seals

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