Model: 135746

Valve Seat

Properties:

Thread Length

0.710 inches single threaded portion and 0.740 inches single threaded portion

Thread Length

0.710 inches and 0.740 inches single threaded portion

Flange Diameter

Between 0.360 inches and 0.370 inches

Flange Seat To Disk End Height

Between 0.810 inches and 0.830 inches

Under Flange Height

Between 0.850 inches and 0.900 inches

Seal Accommodation Type

Grooved

Thready Qty Per Inch (tpi)

56 single threaded portion

Thread Size

0.250 inches single threaded portion

Criticality Code Justification

Zzzv

Material

Aluminum alloy 2024

Material Specification

Qq-a-225/6, t4 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Thread Series Designator

Uns single threaded portion

Fsc Application Data

Regulator, air pressure, aircraft cabin

NSN

4820-00-525-2359

Part Number

135746

Description

Seat,valve

CAGE

64547

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 135746 NSN 4820-00-525-2359

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:

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:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

ACC:

Equipment for Aircraft

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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