Product Details | METALLIC HOSE ASSEMBLY

4720-00-020-7480 A length of metallic hose with fittings on one or both ends. For items without fittings, see HOSE, METALLIC. Excludes CONDUIT, ELECTRICAL; CONDUIT ASSEMBLY, ELECTRICAL; CASING, FLEXIBLE CONTROL; and CASING, FLEXIBLE SHAFT ASSEMBLY.

Part Alternates: 1025507, 10-2550-7, 102568, 1200807-18, 4720-00-020-7480, 00-020-7480, 4720000207480, 000207480, 120080718

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-020-7480

Demand History | NSN 4720-00-020-7480

Part Number Request Date QTY Origin
102568 2025-08-233 2 DIBBS
102568 2025-07-202 4 DIBBS
102568 2025-05-142 2 DIBBS
102568 2025-04-114 2 DIBBS
102568 2025-04-103 2 DIBBS
102568 2024-07-190 2 DIBBS
102568 2024-06-179 2 DIBBS
102568 2022-11-317 3 DIBBS
4720-00-020-7480 2019-04-116 1 DIBBS-RFPs
4720-00-020-7480 2018-10-291 2 DIBBS
4720-00-020-7480 2018-09-269 2 DIBBS
4720-00-020-7480 2015-09-246 1 DIBBS
4720-00-020-7480 2014-01-05 4 DIBBS

Cross Reference | NSN 4720-00-020-7480

Part Number Cage Code Manufacturer
10-2550-7 81205 THE BOEING COMPANY DBA BOEING
102568 96142 SENIOR FLEXONICS INC
102568 98769 SENIOR OPERATIONS LLC DBA SENIOR AEROSPACE SSP
1200807-18 87273 STAINLESS STEEL PRODUCTS INC

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Technical Data | NSN 4720-00-020-7480

Characteristic Specifications
HOSE OR TUBING SPEC/STD DATA MIL MIL-S-6721,TYPE 321 SPECIFICATION
CROSS-SECTIONAL SHAPE STYLE 1 ROUND
INSIDE DIAMETER 5.940 INCHES NOMINAL
OUTSIDE DIAMETER 6.770 INCHES NOMINAL
MEASURING METHOD AND LENGTH 5.100 INCHES NOMINAL OVERALL
MINIMUM INSIDE BENDING RADIUS NOT RATED
FIRST END CONNECTION TYPE RAISED FACE FLANGE
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
TEMP RATING NOT RATED
MAXIMUM OPERATING PRESSURE 135.0 POUNDS PER SQUARE INCH
BURST TEST PRESSURE NOT RATED

Restrictions/Controls & Freight Information | NSN 4720-00-020-7480

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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 136500 METAL NOI/METAL ALLOYS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code XX
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 4720-00-020-7480

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 CodeFLSX:C-135 STRATOLIFTER
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 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