NSN 4330-01-541-0874 · NIIN 015410874 · Part number 4450K2
Mcmaster-Carr Supply Co · FSC 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters · FSG 43 — Pumps and Compressors · CAGE 39428
Government record, cited
NSN 4330-01-541-0874 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-541-0874. Manufacturer of record part number: 4450K2.
Also searched as4330-01-541-0874 ·
4330015410874 ·
NIIN 015410874 ·
01-541-0874 ·
FSC 4330 Centrifugals, Separators, and Pressure and Vacuum Filters · CAGE 39428 · 4450K2
Inlet Connection Type: THREADED LOCATION NOT OTHERWISE SPECIFIED
Body Shape: TAPERED
Inlet Thread Series Designator: NPT LOCATION NOT OTHERWISE SPECIFIED
Identification
NSN: 4330-01-541-0874
NIIN: 015410874
FSC: 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters
FSG: 43 — Pumps and Compressors
Primary part number: 4450K2
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-541-0874, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4330-01-541-0874
Primary Part Number
4450K2
Item Name
Pneumatic Muffler,exhaust-Intake
FSC / FSG
4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters
Manufacturer
Mcmaster-Carr Supply Co
Status
ACTIVE
Inlet Location
LOCATED IN END SECTION OF BODY
Overall Diameter
0.562 INCHES NOMINAL IN
Inlet Connection Quantity
1
Muffler Design
STRAIGHT THROUGH
Inlet Connection Type
THREADED LOCATION NOT OTHERWISE SPECIFIED
Body Shape
TAPERED
Inlet Thread Series Designator
NPT LOCATION NOT OTHERWISE SPECIFIED
Material
COPPER ALLOY AND STEEL LOCATION NOT OTHERWISE SPECIFIED
Other items in FSC 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4330-00-000-0145
FILTER ELEMENT,FLUID
4330-00-000-0145
FILTER ELEMENT,FLUID
4330-00-001-1246
4330-00-001-1246 · Item name not on file
4330-00-001-1733
ADAPTER,FLUID FILTER
4330-00-001-2626
FILTER ELEMENT,FLUID
4330-00-001-2700
4330-00-001-2700 · Item name not on file
4330-00-001-3511
4330-00-001-3511 · Item name not on file
4330-00-001-3512
4330-00-001-3512 · Item name not on file
Frequently Asked Questions
What is NSN 4330-01-541-0874?
NSN 4330-01-541-0874 is a Pneumatic Muffler,exhaust-Intake, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
What part numbers are listed for NSN 4330-01-541-0874?
NSN 4330-01-541-0874 has 1 manufacturer part number on file: 4450K2 (Mcmaster-Carr Supply Co).
What are the specifications of 4450K2?
Key specifications for 4450K2: Inlet Location: LOCATED IN END SECTION OF BODY; Overall Diameter: 0.562 INCHES NOMINAL IN; Inlet Connection Quantity: 1; Overall Length: 1.375 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4330-01-541-0874 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.