Product Details | BOSS REDUCER

4730-00-957-6671 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: MS24397D5, AN8935D, AN893-5D, AS5172, AS5172D0416L, 4730-00-957-6671, 00-957-6671, 4730009576671, 009576671

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1962 00-957-6671

Demand History | NSN 4730-00-957-6671

Part Number Request Date QTY Origin
MS24397D5 2012-08-242 6 United States
MS24397D5 2012-08-223 2 United States

Cross Reference | NSN 4730-00-957-6671

Part Number Cage Code Manufacturer
AN893-5D 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS5172 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5172D0416L 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS24397D5 00624 EATON CORPORATION DBA AEROSPACE DIV
MS24397D5 06581 ALLAN AIRCRAFT SUPPLY CO, LLC
MS24397D5 22995 CROWN FITTING CO INC
MS24397D5 34724 ACRA AEROSPACE INC
MS24397D5 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 4730-00-957-6671

Characteristic Specifications
MATERIAL ALUMINUM ALLOY OVERALL
SURFACE TREATMENT ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION TYPE THREADED INTERNAL BOSS 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B9 GASKET SEAL 1ST END B71 EXTERNAL SEAT FOR GASKET SEAL 2ND END
THREAD SERIES DESIGNATOR UNF 1ST END UN 2ND END
NOMINAL THREAD SIZE 0.438 INCHES 1ST END 1.312 INCHES 2ND END
THREAD QUANTITY PER INCH 12 1ST END
THREAD CLASS 3B 1ST END 3A 2ND END
NOMINAL OVERALL LENGTH 0.969 INCHES
REDUCER TYPE CONCENTRIC
SPECIAL FEATURES THREE 0.065 IN.MIN,0.075 IN.MAX DIA HOLES DRILLED THROUGH HEX CORNERS,0.203 IN.FROM FIRST END
SPECIFICATION/STANDARD DATA 96906-MS24397 GOVERNMENT STANDARD
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN893-5D

Restrictions/Controls & Freight Information | NSN 4730-00-957-6671

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 051400 PIPE FITTINGS ALUMINUM
Less than car load rating
Less than truck load rating P 77.5
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 4730-00-957-6671

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 CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
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