Model: 31431681

Engine Poppet Valve

Properties:

Head Style

Flat

Head Height

Between 0.1340 inches and 0.1360 inches

Groove Diameter

0.2500 inches

Groove Width

0.1120 inches

Outside Diameter

1.5365 inches

Seat Angle In Deg

35.0

Stem Style

Grooved

Carbon Relief Groove

Not included

Neck Radius

0.4062 inches

Stem Length

Between 4.3640 inches and 4.3660 inches

Stem Diameter

0.3120 inches

Distance From Groove To Stem End

0.1250 inches

Material And Location

Steel

NSN

2815-01-174-7753

Part Number

31431681

Description

Valve,poppet,engine

CAGE

13446

A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

Part 31431681 NSN 2815-01-174-7753

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15884

FIIG:

A11200

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:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8409998000
SITC: 71392
End Use: Industrial engines
NAICS: 333618
USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi