Model: 278301R1

Engine Poppet Valve

Properties:

Head Style

Flat

Head Height

Between 0.1770 inches and 0.1970 inches

Chamfer Angle In Deg

30.0

Groove Diameter

Between 0.3290 inches and 0.3350 inches

Chamfer Length

0.0312 inches

Groove Width

Between 0.0950 inches and 0.1050 inches

Outside Diameter

Between 1.6470 inches and 1.6570 inches

Seat Angle In Deg

45.0

Stem Style

Grooved

Carbon Relief Groove

Not included

Neck Radius

0.3800 inches

Stem Length

Between 5.8550 inches and 5.8960 inches

Stem Diameter

Between 0.3715 inches and 0.3725 inches

Distance From Groove To Stem End

Between 0.2620 inches and 0.2920 inches

Material And Location

Steel, federal standard 66, sae hnv4

Metallic Hardness Rating And Location

43.0 rockwell c tip

Fsc Application Data

Diesel engine

NSN

2815-00-805-5688

Part Number

278301R1

Description

Valve,poppet,engine

CAGE

0SAT8

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 278301R1 NSN 2815-00-805-5688

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:

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:

85.0

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