PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X6175Pneumatic Muffler,exhaust-Intake

Porex Technologies Corp · NSN 4330-01-431-6621 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-431-6621 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-431-6621. Primary manufacturer part number: X6175.
Features
  • Pneumatic Muffler,exhaust-Intake — FSC 4330
  • 3 verified cross-references
  • Primary manufacturer: Porex Technologies Corp
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-431-6621, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Porex Technologies Corp. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-431-6621
Primary Part NumberX6175
Item NamePneumatic Muffler,exhaust-Intake
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerPorex Technologies Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5945-00-048-7548271-11023P1 INTERCHANGEABLE
Relay,thermal
Raytheon Company Dba Raytheon Co
7050-00-145-99184913316-46 INTERCHANGEABLE
Duplex Overload
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5910-00-435-6485101182 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Astronics Test Systems Inc
5945-00-655-1484681724-3 INTERCHANGEABLE
Relay,thermal
Lockheed Martin Corporation Div Rms - Mitchel Field
5910-00-666-761910525660-2 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5945-00-698-7532681724-1 INTERCHANGEABLE
Relay,thermal
Lockheed Martin Corporation Div Rms - Mitchel Field
5945-01-151-11426957ED14-26 INTERCHANGEABLE
Relay,thermal
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
4820-01-165-9668N669XN552 ITEM 7 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
5945-01-198-63326957ED14-12 INTERCHANGEABLE
Relay,thermal
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
Cross-Reference Index
Part NumberManufacturer
X6175 PRIMARY Porex Technologies Corp (USA)
N750 Piab Usa, Inc. (USA)
N750 Porex Technologies Corp (USA)
Related Parts
5945-00-048-7548INTERCHANGEABLE
RELAY,THERMAL
271-11023P1
7050-00-145-9918INTERCHANGEABLE
DUPLEX OVERLOAD
4913316-46
5910-00-435-6485INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
101182
5945-00-655-1484INTERCHANGEABLE
RELAY,THERMAL
681724-3
5910-00-666-7619INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
10525660-2
5945-00-698-7532INTERCHANGEABLE
RELAY,THERMAL
681724-1
5945-01-151-1142INTERCHANGEABLE
RELAY,THERMAL
6957ED14-26
4820-01-165-9668INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
N669XN552 ITEM 7
5945-01-198-6332INTERCHANGEABLE
RELAY,THERMAL
6957ED14-12

Frequently Asked Questions

What is NSN 4330-01-431-6621?

NSN 4330-01-431-6621 is a Pneumatic Muffler,exhaust-Intake, manufactured by Porex Technologies Corp, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-431-6621?

NSN 4330-01-431-6621 has 3 cross-referenced part numbers: X6175 (Porex Technologies Corp), N750 (Piab Usa, Inc.), N750 (Porex Technologies Corp).

What NSN replaces 4330-01-431-6621?

There are 9 known substitutes for 4330-01-431-6621: 5945-00-048-7548, 7050-00-145-9918, 5910-00-435-6485 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X6175?

Key specifications for X6175: Special Features: 70 MICRONS; End Item Identification: MARK 6 TRANSPORTABLE RECOMPRESSION CHAMBER SYSTEM,DIVER LIFE SUPPORT SYSTEM. 2 total characteristics are documented in the Federal Logistics Information System.

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