Model: 992D PIECE 20

Valve Seat

Properties:

Flange Diameter

3.632 inches

Body Inside Diameter

2.621 inches

Flange Seat To Disk End Height

Between 0.165 inches and 0.308 inches

Under Flange Height

0.938 inches

Thready Qty Per Inch (tpi)

11 single threaded portion

Thread Size

3.500 inches single threaded portion

Seating Surface Shape

Flat

Material

Copper alloy

Material Specification

Mil-b-1654 military specification single material response

Style Designator

Threaded flanged

NSN

4820-01-093-0864

Part Number

992D PIECE 20

Description

Seat,valve

CAGE

75545

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 992D PIECE 20 NSN 4820-01-093-0864

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