Product Details | AIR DUCT HOSE

4720-01-471-5521 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: LE2710104, LE271-0104 , LE27101040424, LE271-0104-0424, 21A1804C324, 21A18-04C32-4, 4720-01-471-5521, 01-471-5521, 4720014715521, 014715521

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

Supply Group (FSG) NSN Assign. NIIN
47 05 FEB 2000 01-471-5521

Drawings & Photos | NSN 4720-01-471-5521


Demand History | NSN 4720-01-471-5521

Part Number Request Date QTY Origin
21A18-04C32-4 2022-12-363 2 DIBBS
LE271-0104-0424 2022-12-363 2 DIBBS
21A18-04C32-4 2021-04-118 5 DIBBS
LE271-0104-0424 2021-04-118 5 DIBBS
21A18-04C32-4 2021-02-46 5 DIBBS
LE271-0104-0424 2021-02-46 5 DIBBS
4720-01-471-5521 2011-03-84 3 DIBBS
4720-01-471-5521 2011-03-82 2 DIBBS
4720-01-471-5521 2011-02-40 5 DIBBS
4720-01-471-5521 2010-10-304 1 DIBBS
4720-01-471-5521 2010-10-301 5 DIBBS

Cross Reference | NSN 4720-01-471-5521

Part Number Cage Code Manufacturer
21A18-04C32-4 14711 RSA ENGINEERED PRODUCTS, LLC
21A18-04C32-4 60980 MEGGITT-OREGON, INC. DBA MEGGITT SILICONE PRODUCTS
LE271-0104 43999 BOEING COMPANY, THE DBA BOEING
LE271-0104-0424 43999 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 4720-01-471-5521

Characteristic Specifications
MATERIAL FIBERGLASS ALL PLIES
STYLE DESIGNATOR A6 BEAD REINFORCED
CROSS-SECTIONAL SHAPE STYLE B3 ROUND
INSIDE DIAMETER 1.000 INCHES NOMINAL FIRST END
CONNECTION TYPE PLAIN BOTH ENDS
III END ITEM IDENTIFICATION B-1B ACFT
III PART NAME ASSIGNED BY CONTROLLING AGENCY HOSE,AIR DUCT-HELICALLY CONVOLUTED,WIRE WOUND 1.00ID
MANUFACTURERS CODE 14711
DESIGN CONTROL REFERENCE 21A18-04C32-4

Restrictions/Controls & Freight Information | NSN 4720-01-471-5521

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 051140 HOSE:NOI TUBING
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 736 unknown
Originating Activity Code TK HQ AFMC/GLSC 401 SCM/GUMB
Wright-Patterson AFB, OH 45433-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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 4720-01-471-5521

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeEKSX:B-1
Price ValidationP The current standard price is the initial negotiated provisioned price.
  • This is the price paid by DoD for the item as the result of price negotiation of the Provisioned Item Order (PIO) or other initial negotiated price.
  • ZOP or Standard Price challenges are permissible but should be supported with adequate justification.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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