Model: 644C454-3REVB

Plain Encased Seal

Properties:

Tempurature Rating
-40.0 degrees fahrenheit and 250.0 degrees fahrenheit
Accommodated Shaft Diameter
2.750 inches
Seal Width
Between 0.359 inches and 0.391 inches
Accommodated Shaft Maximum Rated Speed
3000 feet per minute
Case Style
Square
Housing Bore Diameter
Between 3.754 inches and 3.758 inches
Sealing Element Style
Angular
Material
Rubber butadiene-acrylonitrile class nbr sealing element
Material Specification
Astm d2000 2bg915e1e3 assn standard single material response sealing element
Surface Treatment
Cadmium case
Fsc Application Data
Constant speed installation, gear box assembly, aircraft
NSN
5330-00-576-4390
Part Number
644C454-3REVB
Description
Seal,plain Encased
CAGE
97993

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 644C454-3REVB NSN 5330-00-576-4390

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
596
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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