Model: PH278

Plain Encased Seal

Properties:

Accommodated Shaft Diameter

2.750 inches

Seal Width

Between 0.469 inches and 0.531 inches

Accommodated Shaft Maximum Rated Speed

2000 feet per minute

Case Style

Square

Housing Bore Diameter

3.751 inches

Sealing Element Style

Angular

Material

Leather sealing element or rubber synthetic sealing element

NSN

5330-00-291-1623

Part Number

PH278

Description

Seal,plain Encased

CAGE

66289

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 PH278 NSN 5330-00-291-1623

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:

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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