Product Details | AIR DUCT HOSE

4720-01-216-2321 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: NAS1375A08SB062, 70051, 70-051, 7005108D062A, 70-051-08D062A, 4720-01-216-2321, 01-216-2321, 4720012162321, 012162321

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

Supply Group (FSG) NSN Assign. NIIN
47 07 SEP 1985 01-216-2321

Drawings & Photos | NSN 4720-01-216-2321


Demand History | NSN 4720-01-216-2321

Part Number Request Date QTY Origin
4720-01-216-2321 2025-08-240 1 Australia
4720-01-216-2321 2024-03-80 2 AU
4720-01-216-2321 2022-02-37 1 US
4720-01-216-2321 2013-09-266 67 DIBBS
NAS1375A08SB062 2007-12-345 1 Colombia

Cross Reference | NSN 4720-01-216-2321

Part Number Cage Code Manufacturer
70-051 97499 BELL HELICOPTER TEXTRON INC.
70-051-08D062A 97499 BELL HELICOPTER TEXTRON INC.
NAS1375A08SB062 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 4720-01-216-2321

Characteristic Specifications
MATERIAL FIBERGLASS AND RUBBER SILICONE CLASS Q 1ST PLY FIBERGLASS AND RUBBER SILICONE CLASS Q 2ND PLY FIBERGLASS REINFORCING CORD STEEL REINFORCING WIRE
STYLE DESIGNATOR A4 HELICALLY WOUND CONTINUOUS WIRE SUPPORTED
CROSS-SECTIONAL SHAPE STYLE B3 ROUND
INSIDE DIAMETER 2.000 INCHES NOMINAL FIRST END
WALL THICKNESS 0.050 INCHES NOMINAL
MEASURING METHOD AND LENGTH 18.500 INCHES NOMINAL OVERALL
CONNECTION TYPE SOFT FIRST END
CONNECTION STYLE C3 ROUND FIRST END
END INSIDE DIAMETER 2.000 INCHES NOMINAL FIRST END
END OVERALL LENGTH 1.500 INCHES NOMINAL FIRST END
MINIMUM INSIDE BENDING RADIUS 2.000 INCHES
MAXIMUM OPERATING PRESSURE 4.0 POUNDS PER SQUARE INCH
(NON-CORE DATA) TEMP RANGE -75.0 TO 500.0 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 4720-01-216-2321

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 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 AH Defense Supply Center Columbus
Columbus, OH 43215
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 4720-01-216-2321

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 CodeB Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous GroupBXOH-58D Army Helicopter Improvement Program (AHIP)
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each