National Item Identification Number

00-491-1268
004911268
4730-00-491-1268
4730004911268

National Stock Number

Item Name

REDUCER,BOSS

Federal Supply Class

4730

Description

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).

Commercial and Government Entity Code (Supplier Data)

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84955

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Reference Numbers (Part Numbers)

K670745-11

Required Categories

MATERIAL
CONNECTION TYPE
CONNECTION STYLE
THREAD SERIES DESIGNATOR
NOMINAL T

Required Description

ALUMINUM ALLOY OVERALL
THREADED EXTERNAL BOSS ALL ENDS
B71A EXTERNAL SEAT FOR