Model: 571971

Valve Seat

Properties:

Overall Height

Between 0.630 inches and 0.640 inches

Body Outside Diameter

Between 0.561 inches and 0.562 inches

Body Inside Diameter

Between 0.200 inches and 0.220 inches

Seat Angle In Deg

44.500 and 45.500

Seating Surface Shape

Angular

Material

Steel

Surface Treatment

Cadmium

Style Designator

Plain

Fsc Application Data

Engine, aircraft

NSN

4810-00-831-3726

Part Number

571971

Description

Seat,valve

CAGE

77445

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 571971 NSN 4810-00-831-3726

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