Product Details | AIR DUCT HOSE

4720-00-481-6691 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: FLX300124016804, FLX3001241684, FLX3001-24-168-4, 4720-00-481-6691, 00-481-6691, 4720004816691, 004816691

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

Supply Group (FSG) NSN Assign. NIIN
47 18 SEP 1970 00-481-6691

Drawings & Photos | NSN 4720-00-481-6691


Demand History | NSN 4720-00-481-6691

Part Number Request Date QTY Origin
2900300015C 2025-10-289 84 DIBBS
GN3X42X3.25-1.00EE 2025-10-289 84 DIBBS
GN3X42X3.25-1.00EE 2024-08-225 89 DIBBS
GN3X42X3.25-1.00EE 2024-08-221 218 DIBBS
GN3X42X3.25-1.00EE 2024-08-214 89 DIBBS
FLX300124016804 2024-03-70 218 DIBBS
FLX300124016804 2024-02-57 218 DIBBS
FLX300124016804 2023-09-250 12 DIBBS
4720-00-481-6691 2023-07-187 10 US
FLX300124016804 2023-05-149 65 DIBBS
FLX300124016804 2023-01-12 7 DIBBS
FLX300124016804 2022-12-335 15 DIBBS
FLX300124016804 2022-10-292 65 DIBBS
FLX300124016804 2022-10-276 65 DIBBS
FLX300124016804 2022-08-227 59 DIBBS
FLX300124016804 2022-06-167 26 DIBBS
FLX300124016804 2022-03-79 30 DIBBS
FLX300124016804 2021-10-278 70 DIBBS
FLX300124016804 2021-09-263 70 DIBBS
FLX300124016804 2020-10-287 39 DIBBS
FLX300124016804 2020-10-282 163 DIBBS
FLX300124016804 2020-09-268 39 DIBBS
4720-00-481-6691 2020-05-139 1 Indonesia
4720-00-481-6691 2020-05-132 1 Indonesia
FLX3001241684 2019-10-288 1 TH
4720-00-481-6691 2018-10-277 321 DIBBS
4720-00-481-6691 2018-06-176 142 DIBBS
4720-00-481-6691 2018-06-169 1 Saudi Arabia
4720-00-481-6691 2018-06-165 142 DIBBS
4720-00-481-6691 2017-06-177 139 DIBBS
FLX3001241684 2016-03-84 1 SA
FLX3001241684 2016-03-84 1 SA
4720-00-481-6691 2015-12-356 198 DIBBS
4720-00-481-6691 2015-12-341 198 DIBBS
4720-00-481-6691 2015-07-186 138 DIBBS
4720-00-481-6691 2014-03-71 111 DIBBS
4720-00-481-6691 2014-02-56 111 DIBBS
4720-00-481-6691 2013-07-200 117 DIBBS
4720-00-481-6691 2013-07-185 117 DIBBS
4720-00-481-6691 2011-05-139 5 Taiwan
FLX3001241684 2010-11-313 2 US

Cross Reference | NSN 4720-00-481-6691

Part Number Cage Code Manufacturer
FLX3001-24-168-4 16632 FLEXFAB, LLC
FLX300124016804 16632 FLEXFAB, LLC

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Technical Data | NSN 4720-00-481-6691

Characteristic Specifications
MATERIAL FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR ALL PLIES STEEL REINFORCING WIRE
STYLE DESIGNATOR A2 FULLY CONVOLUTED
CROSS-SECTIONAL SHAPE STYLE B3 ROUND
INSIDE DIAMETER 3.000 INCHES NOMINAL FIRST END
MEASURING METHOD AND LENGTH 42.000 INCHES NOMINAL OVERALL
CONNECTION TYPE SOFT FIRST END
CONNECTION STYLE C3 ROUND FIRST END
END INSIDE DIAMETER 3.000 INCHES NOMINAL FIRST END
END OVERALL LENGTH 1.000 INCHES NOMINAL FIRST END
MAXIMUM OPERATING PRESSURE 10.0 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 16632
DESIGN CONTROL REFERENCE FLX300124016804

Restrictions/Controls & Freight Information | NSN 4720-00-481-6691

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 051140 HOSE:NOI TUBING SUB1
Less than car load rating Q 70
Less than truck load rating A 400.0
Water commodity Code 736 unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
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 4720-00-481-6691

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 CodeIDTG:GENERATORS AND GENERATOR SETS, GROUND
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each