Model: 321912

Valve Seat

Properties:

Flange Diameter

Between 1.743 inches and 1.745 inches

Body Outside Diameter

Between 1.743 inches and 1.745 inches

Body Inside Diameter

Between 1.183 inches and 1.193 inches

Flange Seat To Disk End Height

0.140 inches

Under Flange Height

0.250 inches

Seal Accommodation Type

Beaded

Seating Surface Shape

Flat

Material

Aluminum

Surface Treatment

Anodize

Style Designator

Plain flanged

Fsc Application Data

Valve, gate, hydraulic system, aircraft

NSN

4820-00-486-5647

Part Number

321912

Description

Seat,valve

CAGE

81982

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 321912 NSN 4820-00-486-5647

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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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