63-8-21

Valve Seat

NSN 4820-00-115-2446

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

001152446

Product Features

Two bolt holes drilled 0.219 in. Dia, 2.063 in. Bolt hole circle

Technical Specifications of NSN

Thread Class:

2a single threaded portion

Thread Length:

0.344 inches single threaded portion

Overall Height:

2.557 inches

Body Inside Diameter:

1.437 inches

Seal Accommodation Type:

Grooved

Thready Qty Per Inch (tpi):

20 single threaded portion

Thread Size:

2.500 inches single threaded portion

Seating Surface Shape:

Flat

Material:

Copper alloy

Style Designator:

B5 plain threaded

Style Designator:

Plain threaded

Thread Series Designator:

Un single threaded portion

NSN:

4820-00-115-2446

Item Name:

Seat,ring

Cage Code:

20266

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

61348

Cage Code:

20266

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.7000lbs

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:

576

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.