Model: 20641

Plain Encased Seal

Properties:

Accommodated Shaft Diameter

2.125 inches

Seal Width

0.250 inches

Accommodated Shaft Maximum Rated Speed

1000 feet per minute

Case Style

Square

Housing Bore Diameter

2.875 inches

Sealing Element Style

Angular

Material

Rubber synthetic sealing element

Material

Steel case

NSN

5330-00-285-6378

Part Number

20641

Description

Seal,plain Encased

CAGE

64986

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 20641 NSN 5330-00-285-6378

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:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5330-00-285-6378 is a component of

Iroquois Uh-1 Helicopter
Phantom F-4 Aircraft
C-2a (reprocured) Aircraft
T-39 Aircraft
Fire/crash P10 Truck
U-2 Support Equipment
Eh-60a Electronic Countermeasures Helicopter
Oh-58d Helicopter Observation (ahip)
004208486
Gas Turbine Engine Generator Set
002257663
Gas Turbine Engine Generator Set

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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