Model: MH101 FIND NO.3

Valve Seat

Properties:

Thread Class

2a single threaded portion

Thread Length

2.740 inches single threaded portion

Overall Height

3.120 inches

Taper Length

0.310 inches

Taper Minor Diameter

4.000 inches

Body Inside Diameter

4.000 inches

End Application

4 inch relief valve type 1771-t

Seat Radius

2.000 inches

Seat Angle In Deg

Between 45.000 and 60.000

Thready Qty Per Inch (tpi)

14 single threaded portion

Thread Size

4.812 inches single threaded portion

Seating Surface Shape

Angular

Material

Steel comp 316 seat

Material Specification

Astm a351 gr cf8m assn standard single material response seat

Style Designator

Plain threaded

Thread Series Designator

Uns single threaded portion

Reference Number Differentiating Characteristics

Asdifferentiated by: part requires special material control and quality assurance, which support the non-magnetic signature of minesweepers.

NSN

4820-01-502-6869

Part Number

MH101 FIND NO.3

Description

Seat,valve

CAGE

01343

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 MH101 FIND NO.3 NSN 4820-01-502-6869

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:

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:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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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