Model: 28531A

Plain Encased Seal

Properties:

Outside Diameter

1.878 inches

Accommodated Shaft Diameter

1.125 inches

Seal Width

Between 0.406 inches and 0.469 inches

Accommodated Shaft Maximum Rated Speed

2000 feet per minute

Case Style

Square

Housing Bore Diameter

1.874 inches

Sealing Element Style

Angular

Material

Leather sealing element or rubber synthetic sealing element

Surface Treatment

Plastic case

NSN

5330-00-285-9461

Part Number

28531A

Description

Seal,plain Encased

CAGE

1ML14

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 28531A NSN 5330-00-285-9461

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:

0.1000lbs

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 5330-00-285-9461 is a component of

An/srn-25(v) Navigation Radio Set
Deck Machinery
Steering Equipment
009358729
Diesel Engine Generator Set
001339104
Diesel 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