Pneumatic Muffler, Exhaust-Intake4330-01-285-8424

NSN 4330-01-285-8424 · NIIN 012858424

FSC 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters · FSG 43 — Pumps and Compressors

Government record, cited

Also searched as 4330-01-285-8424 · 4330012858424 · NIIN 012858424 · 01-285-8424 · FSC 4330 Centrifugals, Separators, and Pressure and Vacuum Filters · 43874-1 · 43874-1

Nearby stock numbers ← 4330-01-285-7589 Filter Element, Fluid · 4330-01-286-0291 Retainer, Filter Element →

Features

Pneumatic Muffler,exhaust-Intake — FSC 4330
Overall Diameter: 1.375 INCHES NOMINAL IN
Inlet Connection Quantity: 1
Muffler Design: STRAIGHT THROUGH
Inlet Connection Type: THREADED LOCATION NOT OTHERWISE SPECIFIED
Body Shape: ROUND

Identification

NSN: 4330-01-285-8424
NIIN: 012858424
FSC: 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters
FSG: 43 — Pumps and Compressors

General Description

The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-285-8424, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4330-01-285-8424
Item Name	Pneumatic Muffler,exhaust-Intake
FSC / FSG	4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters
Status	ACTIVE
Overall Diameter	1.375 INCHES NOMINAL IN
Inlet Connection Quantity	1
Muffler Design	STRAIGHT THROUGH
Inlet Connection Type	THREADED LOCATION NOT OTHERWISE SPECIFIED
Body Shape	ROUND

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
43874-1	3/9 Design control — primary reference Ingersoll-Rand Company Dba Ingersoll-Rand
43874-1	C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division

No interchangeability data on file.

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 4330-01-285-8424?

NSN 4330-01-285-8424 is a Pneumatic Muffler,exhaust-Intake, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.

What are the specifications of 4330-01-285-8424?

Key specifications for 4330-01-285-8424: Overall Diameter: 1.375 INCHES NOMINAL IN; Inlet Connection Quantity: 1; Overall Length: 3.500 INCHES NOMINAL IN; Muffler Design: STRAIGHT THROUGH. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4330-01-285-8424 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.

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