Product Details | EXHAUST-INTAKE PNEUMATIC MUFFLER

4330-01-115-3951 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).20343100028Compressors and Vacuum Pumps43300057Centrifugals, Separators, and Pressure and Vacuum Filters47300051Hose, Pipe, Tube, Lubrication, and Railing Fittings

Part Alternates: M2114, M21-14, 4330-01-115-3951, 01-115-3951, 4330011153951, 011153951

Pumps and Compressors | Centrifugals, Separators, and Pressure and Vacuum Filters

Supply Group (FSG) NSN Assign. NIIN
43 04 JUL 1981 01-115-3951

Cross Reference | NSN 4330-01-115-3951

Part Number Cage Code Manufacturer
M21-14 11839 BEAIRD INDUSTRIES INC.

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Technical Data | NSN 4330-01-115-3951

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT PAINT, PRIMER, HEAT RESISTANT
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN STRAIGHT THROUGH
BODY SHAPE ROUND
OVERALL LENGTH 77.000 INCHES NOMINAL
OVERALL DIAMETER 36.000 INCHES NOMINAL
OPERATING POSITION UNIVERSAL
INLET CONNECTION QUANTITY 1
INLET CONNECTION TYPE FLANGE
INLET LOCATION CENTRALLY LOCATED IN END SECTION OF BODY
INLET PROJECTION LENGTH 2.250 INCHES NOMINAL
INLET FLANGE SHAPE ROUND
INLET FLANGE MOUNTING PROVISION AND QUANTITY 8 HOLES
INLET FLANGE MOUNTING HOLE DIAMETER 0.750 INCHES NOMINAL
INLET FLANGE MOUNTING PROVISION SPACING EQUALLY SPACED ON 7.500 IN. BOLT CIRCLE
OUTLET CONNECTION QUANTITY 1
OUTLET CONNECTION TYPE FLANGE
OUTLET LOCATION CENTRALLY LOCATED IN END SECTION OF BODY
OUTLET PROJECTION LENGTH 2.500 INCHES NOMINAL
OUTLET FLANGE SHAPE ROUND
OUTLET FLANGE MOUNTING PROVISION AND QUANTITY 8 HOLES
OUTLET FLANGE MOUNTING HOLE DIAMETER 0.750 INCHES NOMINAL
OUTLET FLANGE MOUNTING PROVISION SPACING EQUALLY SPACED ON 7.500 IN. BOLT CIRCLE

Restrictions/Controls & Freight Information | NSN 4330-01-115-3951

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 125850 MUFFLER/EXHAUST SYS/PIPE/ETC
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4330-01-115-3951

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each