42974

Valve Seat

NSN 4820-00-399-2877

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

003992877

Product Features

W/two wrenching lugs on top of seat 180 degrees apart

Technical Specifications of NSN

Thread Class:

2a single threaded portion

Flange Diameter:

1.878 inches

Body Inside Diameter:

0.960 inches

Flange Seat To Disk End Height:

0.170 inches

Under Flange Height:

0.375 inches

Thread Size:

1.625 inches single threaded portion

Seating Surface Shape:

Flat

Material:

Stainless steel

Style Designator:

Threaded flanged

Thread Series Designator:

Unef single threaded portion

NSN:

4820-00-399-2877

Item Name:

Seat,ring

Cage Code:

53059

Other Related Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22113

FIIG:

A15500

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Ring Seat"

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.