Model: 8851811-01

Valve Seat

Properties:

Thread Class

3a single threaded portion

Thread Length

0.172 inches single threaded portion and 0.187 inches single threaded portion

Seat Radius

Between 0.015 inches and 0.025 inches

Thready Qty Per Inch (tpi)

24 single threaded portion

Thread Size

0.312 inches single threaded portion

Seating Surface Shape

Radial

Material

Steel comp 4130

Material Specification

Ams 6370sjgasae 4130 assn standard single material response

Thread Series Designator

Unf single threaded portion

Fsc Application Data

Landing gear, aircraft

NSN

4820-00-522-5973

Part Number

8851811-01

Description

Seat,valve

CAGE

98747

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 8851811-01 NSN 4820-00-522-5973

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:

0.5000lbs

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:

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