Model: 521920

Plain Encased Seal

Properties:

Accommodated Shaft Diameter
Between 1.780 inches and 1.785 inches
Seal Width
Between 0.588 inches and 0.608 inches
Case Style
Square
Housing Bore Diameter
Between 2.501 inches and 2.503 inches
Sealing Element Style
Vertical
Material
Carbon sealing element b
NSN
5330-00-331-5451
Part Number
521920
Description
Seal,plain Encased
CAGE
03104

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 521920 NSN 5330-00-331-5451

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
85.0
LCL:
100.0
WCC:
596
TCC:
Z
SHC:
Z
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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