Model: 688658

Plain Encased Seal

Special Features:

Used on aircraft hydraulic systems and components

Properties:

Accommodated Shaft Diameter

0.490 inches

Seal Width

Between 0.067 inches and 0.077 inches

Case Style

Square

Housing Bore Diameter

0.812 inches

Sealing Element Style

Vertical

Material

Rubber natural sealing element

Material

Steel comp 1020 inner ring and steel comp 1030 inner ring

Material Specification

Qq-s-698 military specification single material response inner ring

Material Specification

V1854-75 mfr ref single material response sealing element

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416 class ii, type 1 federal specification single treatment response

NSN

5330-01-180-5937

Part Number

688658

Description

Seal,plain Encased

CAGE

83259

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 688658 NSN 5330-01-180-5937

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Equipment for Aircraft

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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