PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RB-648Riser,condensate Return

Aerco International, Inc. Dba Aerco International Inc · NSN 4420-01-173-4524 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-173-4524 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-173-4524. Primary manufacturer part number: RB-648.
Features
  • Riser,condensate Return — FSC 4420
  • 3 verified cross-references
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Riser,condensate Return, cataloged under National Stock Number 4420-01-173-4524, 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 Aerco International, Inc. Dba Aerco International Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRiser,condensate Return
FSC / FSG4420 — No Item Name Available (FSG 44)
ManufacturersAerco International, Inc. Dba Aerco International Inc (CAGE 95368)
Technical Specifications
ParameterValue
NSN4420-01-173-4524
Primary Part NumberRB-648
Item NameRiser,condensate Return
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-045-436707500 INTERCHANGEABLE
Lead,test
Simpson Electric Company, Inc.
6625-00-072-70612378536-3 INTERCHANGEABLE
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
5940-00-237-6763SCD13507ITEM52 INTERCHANGEABLE
Terminal Board
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-281-2697648 INTERCHANGEABLE
Nipple,pipe
Milton Industries, Inc
5330-00-291-96340S1500-1 INTERCHANGEABLE
Seal,plain Encased
Gits Mfg Co Inc
6150-00-432-3311648 INTERCHANGEABLE
Bus,conductor
Zierick Mfg Corp
6625-00-618-9192648 INTERCHANGEABLE
Bolometer,radio Frequency
Telephonics Corp/prd Instruments
4420-00-969-0481644 INTERCHANGEABLE
Riser,condensate Return
Aerco International, Inc. Dba Aerco International Inc
4420-01-032-1338RB613 INTERCHANGEABLE
Riser,condensate Return
Aerco International, Inc. Dba Aerco International Inc
6630-01-049-0209 INTERCHANGEABLE
Analyzer,oxygen
Cross-Reference Index
Part NumberManufacturer
NAVY-8676 Aerco International, Inc. Dba Aerco International Inc (USA)
648 Aerco International, Inc. Dba Aerco International Inc (USA)
RB-648 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
6625-00-045-4367INTERCHANGEABLE
LEAD,TEST
07500
6625-00-072-7061INTERCHANGEABLE
AMMETER
2378536-3
5940-00-237-6763INTERCHANGEABLE
TERMINAL BOARD
SCD13507ITEM52
4730-00-281-2697INTERCHANGEABLE
NIPPLE,PIPE
648
5330-00-291-9634INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S1500-1
6150-00-432-3311INTERCHANGEABLE
BUS,CONDUCTOR
648
6625-00-618-9192INTERCHANGEABLE
BOLOMETER,RADIO FREQUENCY
648
4420-00-969-0481INTERCHANGEABLE
RISER,CONDENSATE RETURN
644
4420-01-032-1338INTERCHANGEABLE
RISER,CONDENSATE RETURN
RB613
6630-01-049-0209INTERCHANGEABLE
ANALYZER,OXYGEN
4420-01-162-6400INTERCHANGEABLE
RISER,CONDENSATE RETURN
RB-645
4420-01-167-7109INTERCHANGEABLE
RISER,CONDENSATE RETURN
646

Frequently Asked Questions

What is NSN 4420-01-173-4524?

NSN 4420-01-173-4524 is a Riser,condensate Return, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-173-4524?

NSN 4420-01-173-4524 has 3 cross-referenced part numbers: NAVY-8676 (Aerco International, Inc. Dba Aerco International Inc), 648 (Aerco International, Inc. Dba Aerco International Inc), RB-648 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4420-01-173-4524?

There are 12 known substitutes for 4420-01-173-4524: 6625-00-045-4367, 6625-00-072-7061, 5940-00-237-6763 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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