PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LF150APneumatic Muffler,exhaust-Intake

Aerco International, Inc. Dba Aerco International Inc · NSN 4330-01-673-0671 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-673-0671 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-673-0671. Primary manufacturer part number: LF150A.
Features
  • Pneumatic Muffler,exhaust-Intake — FSC 4330
  • Inlet Thread Series Designator: NPT SINGLE INLET
  • Overall Diameter: 4.406 INCHES NOMINAL IN
  • Operating Position: VERTICAL
  • Body Shape: ROUND
  • Material: STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
  • 2 verified cross-references
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Applications requiring Steel Corrosion Resisting Location Not Otherwise Specified construction
General Description

The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-673-0671, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Aerco International, Inc. Dba Aerco International Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4330-01-673-0671
Primary Part NumberLF150A
Item NamePneumatic Muffler,exhaust-Intake
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusCANCELLED
Inlet Thread Series DesignatorNPT SINGLE INLET
Overall Diameter4.406 INCHES NOMINAL IN
Operating PositionVERTICAL
Body ShapeROUND
MaterialSTEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4510-01-173-7721LF150A INTERCHANGEABLE
Eliminator,water Hammer
Watts Regulator Company
Cross-Reference Index
Part NumberManufacturer
LF150A Watts Water Technologies Inc (USA)
LF150A PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
4510-01-173-7721INTERCHANGEABLE
ELIMINATOR,WATER HAMMER
LF150A

Frequently Asked Questions

What is NSN 4330-01-673-0671?

NSN 4330-01-673-0671 is a Pneumatic Muffler,exhaust-Intake, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4330-01-673-0671?

NSN 4330-01-673-0671 has 2 cross-referenced part numbers: LF150A (Watts Water Technologies Inc), LF150A (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4330-01-673-0671?

There is 1 known substitute for 4330-01-673-0671: 4510-01-173-7721. Verify interchangeability with system specifications before substitution.

What are the specifications of LF150A?

Key specifications for LF150A: Inlet Thread Series Designator: NPT SINGLE INLET; Overall Diameter: 4.406 INCHES NOMINAL IN; Operating Position: VERTICAL; Overall Height: 4.313 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4330-01-673-0671 still in active supply?

NSN 4330-01-673-0671 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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