Model: 42576

Valve Seat

Properties:

Flange Diameter

Between 0.434 inches and 0.436 inches

Overall Height

0.250 inches

Body Outside Diameter

Between 0.248 inches and 0.252 inches

Flange Seat To Disk End Height

Between 0.095 inches and 0.105 inches

Under Flange Height

Between 0.145 inches and 0.155 inches

Seat Angle In Deg

90.000

Hardness Rating

58.0 rockwell c and 60.0 rockwell c

Seating Surface Shape

Angular

Body Stepped Inside Diameter

0.124 inches first step and 0.126 inches first step

Body Stepped Inside Diameter

0.250 inches second step

Material

Stainless steel

Material Specification

Qq-s-763, class 440c federal specification single material response

Surface Treatment

Passivate

Style Designator

Plain

NSN

4820-00-975-7128

Part Number

42576

Description

Seat,valve

CAGE

81873

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 42576 NSN 4820-00-975-7128

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:

1.0 X 1.0 X 1.0

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:

60.0

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this valve seat (NSN 4820-00-975-7128) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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