Product Details | AIR DUCT HOSE

4720-01-056-3021 A flexible, tubular item of light wall construction. It must have single or multiple layers of nonmetallic material, but may contain metal wire reinforcement, foil type liner, and/or woven or braided cover. It is designed to convey under low pressure gaseous material, such as air and fumes, and light weight solid materials, such as dust, powders, and fibers. For items with couplings, see HOSE ASSEMBLY, AIR DUCT. For items of sleeve section design rated for high pressure use, see SLEEVE, SEAL, COUPLING. Excludes hose, nonmetallic.

Part Alternates: NAS1374A14CB048, 4720-01-056-3021, 01-056-3021, 4720010563021, 010563021

Pipe, Tubing, Hose, and Fittings | Hose and Flexible Tubing

Supply Group (FSG) NSN Assign. NIIN
47 19 FEB 1978 01-056-3021

Drawings & Photos | NSN 4720-01-056-3021


Demand History | NSN 4720-01-056-3021

Part Number Request Date QTY Origin
4720-01-056-3021 2017-10-284 5 DIBBS
4720-01-056-3021 2017-06-177 5 DIBBS
4720-01-056-3021 2012-06-173 6 DIBBS

Cross Reference | NSN 4720-01-056-3021

Part Number Cage Code Manufacturer
NAS1374A14CB048 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 4720-01-056-3021

Characteristic Specifications
MATERIAL FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR 1ST PLY STEEL AND COPPER ALLOY 2ND PLY FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR 3RD PLY FIBERGLASS 4TH PLY
STYLE DESIGNATOR A4 HELICALLY WOUND CONTINUOUS WIRE SUPPORTED
CROSS-SECTIONAL SHAPE STYLE B3 ROUND
INSIDE DIAMETER 3.500 INCHES NOMINAL FIRST END
WALL THICKNESS 0.050 INCHES NOMINAL
MEASURING METHOD AND LENGTH 14.000 INCHES NOMINAL OVERALL
CONNECTION TYPE SOFT FIRST END
CONNECTION STYLE C3 ROUND FIRST END
END INSIDE DIAMETER 3.500 INCHES NOMINAL FIRST END
END OVERALL LENGTH 1.000 INCHES NOMINAL FIRST END
MINIMUM INSIDE BENDING RADIUS 3.500 INCHES
MAXIMUM OPERATING PRESSURE 4.0 POUNDS PER SQUARE INCH
SPECIFICATION/STANDARD DATA 80205-NAS1370 THRU 1379 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
(NON-CORE DATA) TEMP RANGE -65.0 TO 275.0 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 4720-01-056-3021

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:UPrecious metal type is unknown
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 051035 DUCTS:AIR SYSTEM
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 736 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 4720-01-056-3021

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each