The Heat Exchanger,shipboard, cataloged under National Stock Number 4420-01-135-6859, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-135-6859 |
| Primary Part Number | 4555 |
| Item Name | Heat Exchanger,shipboard |
| FSC / FSG | 4420 / 44 — No Item Name Available |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 CAP,PLUG; 1 ARMAFLEX; 1 HEAT EXCHANGER COVER; 1 SENSOR WELL ASSY; 1 COUPLING; 2 90 DEG ELBOWS; 1 COVER; 4 N0.0 DRIVE SCREW; 1 HEAT EXCHANGER SHELL ASSY; 4 N0.8 LOCKWASHER; 4 8-32X1/2 SCREW; 2 90 DEG ELBOW; 1 PRECOOLER COIL,DRY; 1 PRECOOLER COIL,WET; 1 EVAPORATOR COIL ASSY; 1 HEAT EXCHANGER,BOTTOM PLATE ASSY; 12 LBS INSULATION LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4420-01-135-6859 is a Heat Exchanger,shipboard, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4420 (No Item Name Available). Status: active.
NSN 4420-01-135-6859 has 2 cross-referenced part numbers: 4555-G503 (Howell Laboratories Inc Dba Howell Laboratories Inc), 4555 (Howell Laboratories Inc Dba Howell Laboratories Inc).
There are 7 known substitutes for 4420-01-135-6859: 5365-00-197-5259, 5960-00-760-0865, 6240-00-954-5499 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4555: General Characteristics Item Description: CONSISTS OF 1 CAP,PLUG; 1 ARMAFLEX; 1 HEAT EXCHANGER COVER; 1 SENSOR WELL ASSY; 1 COUPLING; 2 90 DEG ELBOWS; 1 COVER; 4 N0.0 DRIVE SCREW; 1 HEAT EXCHANGER SHELL ASSY; 4 N0.8 LOCKWASHER; 4 8-32X1/2 SCREW; 2 90 DEG ELBOW; 1 PRECOOLER COIL,DRY; 1 PRECOOLER COIL,WET; 1 EVAPORATOR COIL ASSY; 1 HEAT EXCHANGER,BOTTOM PLATE ASSY; 12 LBS INSULATION LBS. 1 total characteristics are documented in the Federal Logistics Information System.