Product Details | BOSS REDUCER

4730-01-226-6039 A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).

Part Alternates: MS21916K106, MS21916K10-6 , AS18280, AS21916 , 5685749803, 568-5749803, 5749803 PC159, 5749803PC159, 4730-01-226-6039, 01-226-6039, 4730012266039, 012266039

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

Supply Group (FSG) NSN Assign. NIIN
47 20 FEB 1986 01-226-6039

Drawings & Photos | NSN 4730-01-226-6039


Demand History | NSN 4730-01-226-6039

Part Number Request Date QTY Origin
4730-01-226-6039 2025-03-63 18 US
4730-01-226-6039 2025-03-63 18 US
4730-01-226-6039 2025-03-62 18 DIBBS
4730-01-226-6039 2023-11-320 16 DIBBS
4730-01-226-6039 2023-11-310 12 DIBBS
4730-01-226-6039 2023-10-299 12 DIBBS
4730-01-226-6039 2023-06-156 5 DIBBS
4730-01-226-6039 2023-05-143 5 DIBBS
MS21916K106 2023-01-30 2 United States
4730-01-226-6039 2022-08-227 5 DIBBS
4730-01-226-6039 2022-08-216 5 DIBBS
MS21916K106 2022-08-215 2 United States
4730-01-226-6039 2022-03-79 14 DIBBS
4730-01-226-6039 2021-11-319 16 DIBBS
4730-01-226-6039 2021-10-304 16 DIBBS
4730-01-226-6039 2021-10-274 16 DIBBS
4730-01-226-6039 2021-08-221 16 DIBBS
4730-01-226-6039 2021-07-208 16 DIBBS
MS21916K106 2017-05-129 10 United States
MS21916K106 2017-04-94 10 United States
AS18280 2014-10-280 1 US
4730-01-226-6039 2012-08-215 36 DIBBS
4730-01-226-6039 2012-06-165 1 DIBBS
4730-01-226-6039 2012-05-150 1 DIBBS
4730-01-226-6039 2011-03-83 23 DIBBS
4730-01-226-6039 2010-03-67 9 DIBBS

Cross Reference | NSN 4730-01-226-6039

Part Number Cage Code Manufacturer
568-5749803 53711 NAVAL SEA SYSTEMS COMMAND
5749803 PC159 50079 TEXTRON INC. DBA TEXTRON SYSTEMS MARINE & LAND
AS18280 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS21916 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21916K10-6 50079 TEXTRON INC. DBA TEXTRON SYSTEMS MARINE & LAND
MS21916K10-6 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21916K10-6 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 4730-01-226-6039

Characteristic Specifications
MATERIAL STEEL COMP 316 OVERALL
CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLE B71A EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UNJF ALL ENDS
NOMINAL THREAD SIZE 0.875 INCHES 1ST END 0.562 INCHES 2ND END
THREAD CLASS 3A ALL ENDS
NOMINAL OVERALL LENGTH 1.625 INCHES
REDUCER TYPE CONCENTRIC
SPECIFICATION/STANDARD DATA 96906-MS21916 GOVERNMENT STANDARD
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21916K10-6

Restrictions/Controls & Freight Information | NSN 4730-01-226-6039

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 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4730-01-226-6039

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.
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.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
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
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 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