975-7128

Valve Seat

NSN 4820-00-975-7128

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

009757128

Detail Specifications

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

Item Name:

Insert,valve Seat

Cage Code:

59155

Manufacturer Part Numbers

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

42576

Cage Code:

81873

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:

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

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Pricing & Availability

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

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.