74-305-3

Valve Seat

NSN 4810-00-574-7570

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

005747570

Technical Specifications of NSN

Thread Class:

3a single threaded portion

Thread Length:

0.195 inches single threaded portion

Flange Diameter:

Between 0.438 inches and 0.500 inches

Flange Seat To Disk End Height:

0.095 inches

Under Flange Height:

0.250 inches

Thread Size:

0.375 inches single threaded portion

Body Stepped Inside Diameter:

0.183 inches first step

Body Stepped Inside Diameter:

0.303 inches second step

Style Designator:

Threaded flanged

Thread Series Designator:

Unef single threaded portion

NSN:

4810-00-574-7570

Item Name:

Seat Ring,body Valve

Cage Code:

04845

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

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:

72D

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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

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.