Model: S74

Engine Poppet Valve

Special Features:

Stem end is tapered, 0.6070 in. Lg, 0.438 in. dia, 0.335 in. dia, taper begins 0.333 in. From stem end

Properties:

Head Style

Flat

Head Height

0.2200 inches

Chamfer Angle In Deg

45.0

Chamfer Length

0.0620 inches

Outside Diameter

1.8400 inches

Seat Angle In Deg

45.0

Carbon Relief Groove

Not included

Neck Radius

0.5000 inches

Stem Length

7.6560 inches

Stem Diameter

0.4380 inches

Material And Location

Steel

NSN

2815-00-352-7690

Part Number

S74

Description

Valve,poppet,engine

CAGE

92947

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 S74 NSN 2815-00-352-7690

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