National Item Identification Number

00-842-2736
008422736
4730-00-842-2736
4730008422736

National Stock Number

Item Name

ELBOW,BOSS

Federal Supply Class

4730

Description

A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/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. It may have side or heel inlet(s). It is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes ELBOW, TUBE.

Commercial and Government Entity Code (Supplier Data)

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81343

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81343

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Reference Numbers (Part Numbers)

AN939-4S
AN939S4
AS4875
AS5190R04
MIL-F-5509

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
CONNECTION TYPE
CONNECTION STYL

Required Description

STEEL CORROSION RESISTING OVERALL
QQ-S-763,CLASS 347 FED SPEC SINGLE MATERIAL R