NSN 4330-01-541-0874

Exhaust-intake Pneumatic Muffler
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
015410874

Pricing & Availability Check

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Inventory

 

This product may be available in the following quantities and conditions.

  • NE: 1
  • NS: 3

Please note that inventory for this NSN was updated 10/14/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "PNEUMATIC MUFFLER,EXHAUST-INTAKE"

A noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see muffler, (as modified).

4330-01-541-0874 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
ABHP
Overall Length
1.375 inches
MRC:
ACQW
Inlet Connection Type
Threaded
MRC:
ADAV
Overall Diameter
0.562 inches
MRC:
AQXP
Inlet Connection Quantity
1
MRC:
ARND
Muffler Design
Straight through
MRC:
ARNG
Body Shape
Tapered
MRC:
ARNJ
Inlet Location
Located in end section of body
MRC:
ARNX
Inlet Thread Series Designator
Npt
MRC:
FEAT
Special Features
0.250 in. Npt male connection
MRC:
MATL
Material
Bronze and steel
MRC:
MATT
Material
Copper alloy and steel

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
4450K2
Cage Code:
39428
RNCC:
3
RNVC:
2
DAC:
4
RNAAC:
9Z
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37112
FIIG:
T135-C
Concept No.:
App. Key:
CD
Cond. Code:
2
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
ADPE:
0
CRITL:
X
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

Electrostatic Discharge (ESD) A

No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE 0

Represents items with no adp components

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Import and Export

Schedule B
NAIC
End Use
SITC
USDA
HITECH
Schedule B:
8487900080
NAICS:
333999
End Use Class:
21180
SITC:
74999
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8487900080

Machinery Parts Not Containing Electrical Features, and Not Specified Or Included Elsewhere In Chapter 84, Except Ships' Propellers

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74999

Machinery Parts, Not Containing Electrical Connectors, Insulators, Coils, Contacts Or Other Electrical Features, N.e.s.

National motor freight and handling

NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
125850
NMF Description:
Muffler/exhaust Sys/pipe/etc
UFC:
61440
LTL:
Rating variable
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ADC:
A
ACC:
V

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 594

Pumps and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

DLA Forecast / History

Maritime Supply Chain
12/2017
434.00