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NSN 4520-00-425-5879, 4520004255879
BOILER,HEATING,LOW PRESSURE

Federal Supply Classification
FSC 4520 - Space and Water Heating Equipment
National Item Identification Number
NIIN 004255879
Codification Country
United States
Item Name Code
INC 04876
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4520-00-425-5879

National Stock Number (NSN) 4520-00-425-5879, or NIIN 004255879, (boiler,heating,low pressure) was assigned April 14, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 11, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 04876. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520004255879 contains an unknown precious metal.

This NSN is associated to 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. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332410: power boiler and heat exchanger manufacturing.

This information was last updated on .


Technical Characteristics

HEATING SYSTEM DESIGN
(ASQN) HOT WATER
BOILER TYPE
(ASQP) VERTICAL FIRE TUBE
FIRING TYPE
(ASQR) OIL
HEAT DELIVERY RATE IN BTU PER HOUR
(ABAK) 792.0
HORSEPOWER RATING
(ASQQ) 23.7
JACKET INCLOSURE FEATURE
(ASRA) INCLUDED
OVERALL DIAMETER
(ADAV) 40.750 INCHES NOMINAL
OVERALL HEIGHT
(ABKW) 69.500 INCHES NOMINAL
OIL FOR WHICH DESIGNED
(ASQX) 2
RADIATION CAPACITY IN SQUARE FEET
(ATDW) 4593.0 HOT WATER NET
SPECIAL FEATURES
(FEAT) WITH HOT WATER COIL
MATERIAL
(MATL) ANY ACCEPTABLE
OIL BURNER TYPE
(ASQW) ANY ACCEPTABLE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
IGNITION METHOD
(ABAS) ANY ACCEPTABLE

Manufacturer Part Numbers

K890

RNCC
5
RNVC
9
K890W

RNCC
3
RNVC
1
K890WC

RNCC
3
RNVC
2
K890WC

RNCC
5
RNVC
9

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