Model: 280090 ITEM 15

Valve Seat

Properties:

Flange Diameter

Between 1.044 inches and 1.046 inches

Body Outside Diameter

Between 0.968 inches and 0.969 inches

Body Inside Diameter

Between 0.520 inches and 0.522 inches

Flange Seat To Disk End Height

Between 0.076 inches and 0.077 inches

Under Flange Height

Between 0.047 inches and 0.050 inches

Seat Angle In Deg

Between 44.500 and 45.500

Seating Surface Shape

Angular

Material

Plastic, polyamide, mil-m-20693, comp a, type 1

Style Designator

Plain flanged

NSN

4820-00-891-3010

Part Number

280090 ITEM 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 280090 ITEM 15 NSN 4820-00-891-3010

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:

127200

UFC:

64480

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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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