The Steam Riser, cataloged under National Stock Number 4520-00-574-7581, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Aerco International, Inc. Dba Aerco International 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-574-7581 |
| Primary Part Number | RB595 |
| Item Name | Steam Riser |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Aerco International, Inc. Dba Aerco International Inc |
| Status | ACTIVE |
| General Characteristics Item Description | COPPER ASME SB-111; 150 PSI WP |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4520-00-574-7581 is a Steam Riser, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-00-574-7581 has 2 cross-referenced part numbers: SA438PC18 (Aerco International, Inc. Dba Aerco International Inc), RB595 (Aerco International, Inc. Dba Aerco International Inc).
There is 1 known substitute for 4520-00-574-7581: 4710-00-596-3975. Verify interchangeability with system specifications before substitution.
Key specifications for RB595: End Item Identification: AERCO CORP WATER HEATER MODEL NO. 1005A A; General Characteristics Item Description: COPPER ASME SB-111; 150 PSI WP. 2 total characteristics are documented in the Federal Logistics Information System.