Model: 281539-0001 ITEM NO. 15

Valve Seat

Special Features:

Steel insert, material, qq-s-763, composition 303, condition a, press fit, 0.281 in. Lg o/a, 0.531 in. Dia

Properties:

Flange Diameter

Between 0.748 inches and 0.749 inches

Body Outside Diameter

Between 0.632 inches and 0.633 inches

Flange Seat To Disk End Height

0.176 mils and 0.178 centimeters

Under Flange Height

Between 0.185 inches and 0.190 inches

Seating Surface Shape

Flat

Body Stepped Inside Diameter

0.375 inches first step

Body Stepped Inside Diameter

0.372 inches second step

Material

Plastic polyamide

Style Designator

Plain flanged

NSN

4820-00-933-0754

Part Number

281539-0001 ITEM NO. 15

Description

Seat,valve

CAGE

99657

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Part 281539-0001 ITEM NO. 15 NSN 4820-00-933-0754

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22113

FIIG:

A15500

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:

594

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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Schedule B and Export

Schedule B: 8481909090
SITC: 74790
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi