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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

596

TCC:

SHC:

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