Model: 253875

Valve Seat

Special Features:

Threaded side 12-ns-3a; e/i 4810-01-141-1333 4 in gate valve

Properties:

Flange Diameter

4.812 inches

Body Outside Diameter

4.687 inches

Body Inside Diameter

3.937 inches

End Application

Nimitz class cvn

Flange Seat To Disk End Height

0.563 inches

Under Flange Height

0.125 inches

Seating Surface Shape

Flat

Material

Nickel alloy seat

Material Specification

Qq-n-288 comp a federal specification single material response seat

Style Designator

Plain flanged

NSN

4810-01-467-0775

Part Number

253875

Description

Seat,valve

CAGE

43689

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 253875 NSN 4810-01-467-0775

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:

7.0 X 5.0 X 5.0

Paclk Weight:

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

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