Model: 1842145C2

Exhaust Control Valve

Special Features:

Material head and lower stem: 21-4nnbw sae j775; heat treatment: solution treat (final hardness rc-24 min) and aged in engine; upper stem: silchrome-1, sae j775, rc 30-40 min, induction harden tip, in area marked "h" (a-7) class 60, rc 50 min at surface, cems a-41; plating: full chrome place surface indicated (c-4) class ds except thickness to be .00020-.00035 per from hydrogenembrittlement; approx. Mass (weight) finish part .2193 lbs

Properties:

End Application

Mrap - unique nsn - used on 3 mrap variants

Part Name Assigned By Controlling Agency

Valve, exhaust

NSN

4820-01-566-6890

Part Number

1842145C2

Description

Valve,exhaust Control

CAGE

338X5

A manually operated valve having one inlet and two outlets. It is designed to control the direction of exhaust gases into either of the outlets, one outlet discharging directly into the atmosphere, the other discharging under water.

Part 1842145C2 NSN 4820-01-566-6890

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

07800

FIIG:

A046B0

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: 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