Model: A1757R1PC37

Valve Seat

Special Features:

Two 0.1285 in.Dia holes, equally spaced, 1.500 in. C to c, drilled through flange

Properties:

Thread Class

2a single threaded portion

Flange Diameter

1.750 inches

Body Inside Diameter

1.000 inches

Flange Seat To Disk End Height

0.125 inches

Under Flange Height

0.625 inches

Seat Angle In Deg

0.750

Thread Size

1.375 inches single threaded portion

Seating Surface Shape

Angular

Material

Copper

Style Designator

Threaded flanged

Thread Series Designator

Unf single threaded portion

NSN

4820-00-399-2520

Part Number

A1757R1PC37

Description

Seat,valve

CAGE

09032

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 A1757R1PC37 NSN 4820-00-399-2520

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:

0.3000lbs

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:

050855

UFC:

29290

LTL:

70.0

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