Product Details | BOSS REDUCER

4730-00-531-2936 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: A51H206391, A51H20639-1, 4730-00-531-2936, 00-531-2936, 4730005312936, 005312936

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

Supply Group (FSG) NSN Assign. NIIN
47 11 SEP 1974 00-531-2936

Cross Reference | NSN 4730-00-531-2936

Part Number Cage Code Manufacturer
A51H20639-1 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
A51H20639-1 61174 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
A51H20639-1 65780 TEK PRECISION CO., LTD.

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Technical Data | NSN 4730-00-531-2936

Characteristic Specifications
MATERIAL STEEL OVERALL
CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLE B71 EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UN 1ST END UNF 2ND END
NOMINAL THREAD SIZE 0.562 INCHES 1ST END 0.437 INCHES 2ND END
THREAD QUANTITY PER INCH 20 1ST END
THREAD CLASS 2A ALL ENDS
NOMINAL OVERALL LENGTH 0.937 INCHES
REDUCER TYPE CONCENTRIC
SPECIAL FEATURES W/PRESSED IN RESTRICTOR
III END ITEM IDENTIFICATION 10N AIRCRAFT, TOMCAT F-14A

Restrictions/Controls & Freight Information | NSN 4730-00-531-2936

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 4730-00-531-2936

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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each