Product Details | TUBE REDUCER

4730-00-021-9921 A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes BUSHING (as modified).

Part Alternates: MYLB51429, 2632004701, 26320047-01, 3A97002101, 3A97002-101, 4730-00-021-9921, 00-021-9921, 4730000219921, 000219921

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-021-9921

Cross Reference | NSN 4730-00-021-9921

Part Number Cage Code Manufacturer
26320047-01 45153 HAMILTON SUNDSTRAND CORPORATION DBA HAMILTON SUNDSTRAND POWER SYTEMS
26320047-01 79318 MEGGITT (NORTH HOLLYWOOD), INC.
26320047-01 99167 HAMILTON SUNDSTRAND CORPORATION
3A97002-101 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
MYLB51429 05624 GE AVIATION SYSTEMS LLC DBA GE AVIATION

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Technical Data | NSN 4730-00-021-9921

Characteristic Specifications
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END UNTHREADED EXTERNAL TUBE 2ND END
CONNECTION STYLE B67A PLAIN 1ST END B100A PLAIN 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.750 INCHES 1ST END 0.500 INCHES 2ND END
NOMINAL THREAD SIZE 0.750 INCHES 1ST END
THREAD CLASS 3A 1ST END
NOMINAL OVERALL LENGTH 1.350 INCHES
REDUCER TYPE CONCENTRIC
SPECIAL FEATURES U/O C141A ACFT
MANUFACTURERS CODE 98897
DESIGN CONTROL REFERENCE 3A97002-101

Restrictions/Controls & Freight Information | NSN 4730-00-021-9921

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.
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 736 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
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4730-00-021-9921

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.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeTPSX:"TEMPERATURE AND PRESSURE CONTROLS, AIRCRAFT"
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
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 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