Model: 156052B

Valve Seat

Properties:

Flange Diameter

Between 1.680 inches and 1.681 inches

Body Outside Diameter

Between 1.533 inches and 1.534 inches

Body Inside Diameter

Between 1.370 inches and 1.380 inches

Flange Seat To Disk End Height

0.135 mils and 0.140 centimeters

Under Flange Height

Between 0.400 inches and 0.410 inches

Seat Angle In Deg

45.000

Seating Surface Shape

Angular

Material

Cobalt alloy face

Material

Steel body

Material Specification

66 aisi/sae 4140 federal standard 1st material response body

Style Designator

Plain flanged

NSN

4820-00-354-1667

Part Number

156052B

Description

Seat,valve

CAGE

1ML14

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 156052B NSN 4820-00-354-1667

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:

60.0

WCC:

736

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