PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4901Pneumatic Muffler,exhaust-Intake

Exair Llc · NSN 4330-01-422-7483 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-422-7483 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-422-7483. Primary manufacturer part number: 4901.
Features
  • Pneumatic Muffler,exhaust-Intake — FSC 4330
  • Coolant Type: AIR
  • Material: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED
  • Overall Diameter: 1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
  • Muffler Design: STRAIGHT THROUGH
  • Tube Quantity: 2
  • Body Shape: ROUND
  • Design Type: DRY
Applications
  • Applications requiring Aluminum Location Not Otherwise Specified construction
General Description

The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-422-7483, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Exair Llc. Government technical data includes 7 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-422-7483
Primary Part Number4901
Item NamePneumatic Muffler,exhaust-Intake
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerExair Llc
StatusACTIVE
Coolant TypeAIR
MaterialALUMINUM LOCATION NOT OTHERWISE SPECIFIED
Overall Diameter1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Muffler DesignSTRAIGHT THROUGH
Tube Quantity2
Body ShapeROUND
Design TypeDRY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-220-35344901 INTERCHANGEABLE
Coil,electrical
Gould J D Co Inc
5950-00-222-4276SCC23904-6 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3010-00-273-8987 INTERCHANGEABLE
Coupling Half,shaft
5120-00-995-8490 INTERCHANGEABLE
Compressor,piston Ring
6135-01-031-0862C18.1M-910A INTERCHANGEABLE
Battery,nonrechargeable
American National Standards Institute Incorporated Dba American National Standards Institute
5985-01-038-801073-00064-001 INTERCHANGEABLE
Dummy Load,electrical
Raytheon Company
5120-01-073-0373GS15920-1 INTERCHANGEABLE
Tool,installer,pin
Hamilton Sundstrand Corporation Dba Collins Aerospace
2540-01-202-46184901 INTERCHANGEABLE
Handle,door,vehicular
Eastern Co Div Eberhard Manufacturing
4140-01-228-82961C792 INTERCHANGEABLE
Fan,centrifugal
W.w. Grainger, Inc. Div Government Sales Division
5945-01-262-58264901 INTERCHANGEABLE
Relay,electromagnetic
Hose-Mccann Telephone Co, Inc
Cross-Reference Index
Part NumberManufacturer
4901 PRIMARY Exair Llc (USA)
4902AND4903 Exair Llc (USA)
Related Parts
5950-00-220-3534INTERCHANGEABLE
COIL,ELECTRICAL
4901
5950-00-222-4276INTERCHANGEABLE
COIL,RADIO FREQUENCY
SCC23904-6
3010-00-273-8987INTERCHANGEABLE
COUPLING HALF,SHAFT
5120-00-995-8490INTERCHANGEABLE
COMPRESSOR,PISTON RING
6135-01-031-0862INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
C18.1M-910A
5985-01-038-8010INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
73-00064-001
5120-01-073-0373INTERCHANGEABLE
TOOL,INSTALLER,PIN
GS15920-1
2540-01-202-4618INTERCHANGEABLE
HANDLE,DOOR,VEHICULAR
4901
4140-01-228-8296INTERCHANGEABLE
FAN,CENTRIFUGAL
1C792
5945-01-262-5826INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4901
6515-01-384-5555INTERCHANGEABLE
STAPLER,SURGICAL
4901
2940-01-496-9533INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
RU-2560

Frequently Asked Questions

What is NSN 4330-01-422-7483?

NSN 4330-01-422-7483 is a Pneumatic Muffler,exhaust-Intake, manufactured by Exair Llc, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-422-7483?

NSN 4330-01-422-7483 has 2 cross-referenced part numbers: 4901 (Exair Llc), 4902AND4903 (Exair Llc).

What NSN replaces 4330-01-422-7483?

There are 12 known substitutes for 4330-01-422-7483: 5950-00-220-3534, 5950-00-222-4276, 3010-00-273-8987 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4901?

Key specifications for 4901: Coolant Type: AIR; End Item Identification: WEAPONS SYSTEM 92, SUPPORT EQUIPMENT, F-16 AIRCRAFT; Material: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED; Overall Diameter: 1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. 10 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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