Model: 21621

Plain Encased Seal

Special Features:

Sgl lip w/o inner case, bore tite on the o.D.

Properties:

Outside Diameter
72.2 millimeters
Accommodated Shaft Diameter
55.0 millimeters
Seal Width
8.0 millimeters
End Application
Friction disc clutch
Case Style
Square
Housing Bore Diameter
72.0 millimeters
Sealing Element Style
Vertical
Material
Rubber synthetic sealing element
Material
Steel case
Material
Steel spring
Material Specification
Longlife mfr ref single material response sealing element
Surface Treatment
Plastic case
NSN
5330-01-509-6807
Part Number
21621
Description
Seal,plain Encased
CAGE
80201

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 21621 NSN 5330-01-509-6807

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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