Model: 1842146C1

Piston Ring Expander Spring

Special Features:

Diameter of wire .170 in; intake/extake; outside diameter 1.315 in; spring orientation rh; spring rate 189.6 lbs/in (ref); solid height max 1.081 in; valve closed test length 1.575 in; material specification ems a09-5002 grade d; approx. Mass (weight) finish part .244 lbs

Properties:

End Application

Mrap - unique nsn - used on 3 mrap variants

Part Name Assigned By Controlling Agency

Spring, valve

NSN

2815-01-566-5660

Part Number

1842146C1

Description

Spring,expander,piston Ring

CAGE

338X5

A spring steel ringlike item designed to be placed between a piston ring and the piston to maintain the correct piston ring pressure against the cylinder wall.

Part 1842146C1 NSN 2815-01-566-5660

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

61110

FIIG:

A23900

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:

019100

UFC:

08910

LTL:

RATING VARIABLE

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8710000090
SITC: 89111
End Use: Military trucks, armored vehicles, etc.
NAICS: 336992
USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons