National Item Identification Number
00-640-0620
006400620
4730-00-640-0620
4730006400620
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)
81343
Reference Numbers (Part Numbers)
AN927-5
AN939-5
AS4875
MIL-F-5509
Required Categories
MATERIAL
SURFACE TREATMENT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
MEDI
Required Description
STEEL OR
STEEL COMP 1137 OVERALL
CADMIUM OVERALL
QQ-P-416,TY 1,CL 2 FED SPEC