NSN 4520-00-425-5879

Low Pressure Heating Boiler

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

004255879

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

This product may be available in the following quantities and conditions.

NE: 1

Please note that inventory for this NSN was updated 04/21/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "BOILER,HEATING,LOW PRESSURE"

A unit consisting of a series of metal shells and/or tubes assembled in integral form, utilizing a space enclosed within itself as a combustion chamber for burning fuel. The heat emanating from the burning fuel is absorbed by water circulating through the shells and/or tubes, raising the water temperature to a predetermined degree or changing its physical properties to steam. Excludes high pressure steam boilers over 15 pounds (6.804 kg) gauge working steam pressure.

4520-00-425-5879 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

ABAK

Heat Delivery Rate In Btu Per Hour

792.0

MRC:

ABKW

Overall Height

69.500 inches

MRC:

ADAV

Overall Diameter

40.750 inches

MRC:

ASQP

Boiler Type

Vertical fire tube

MRC:

ASQQ

Horsepower Rating

23.7

MRC:

ASQR

Firing Type

Oil

MRC:

ASQX

Oil For Which Designed

MRC:

ASRA

Jacket Inclosure Feature

Included

MRC:

ATDW

Radiation Capacity In Square Feet

4593.0 hot water net

MRC:

FEAT

Special Features

With hot water coil

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

K890W

Cage Code:

01021

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

K890WC

Cage Code:

01021

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

K890WC

Cage Code:

30463

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

K890

Cage Code:

01021

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Indicates a design/source control reference item

Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04876

FIIG:

T114-B

Concept No.:

App. Key:

Cond. Code:

Status:

Special material and handling

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Import and Export

Schedule B

NAIC

End Use

SITC

USDA

HITECH

Schedule B:

8404900000

NAICS:

332410

End Use Class:

21180

SITC:

71192

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 8404900000

Parts For Auxiliary Plant For Use With Boilers Of Heading 8402 Or 8403 and Condensers For Steam Or Other Vapor Power Units

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 71192

Parts For Auxiliary Plants Used With Boilers; Parts Of Condensers For Steamor Other Vapor Power Units

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

025750

NMF Description:

Boilers Heating/power Noi

UFC:

12210

LTL:

Rating variable

LCL:

WCC:

736

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 736

Plumbing supplies.

Air Commodity (ACC) B

Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)