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Union MS21902-4

Description:

Carbon steel, tube od 1/4", union, flareless tube

MS21902-4 Details

National Stock Number (NSN) 4730-00-640-0461
Alternate Part Number MS21902V4P
Federal Supply Class (FSC) 4730
Unit of Measure (UOM) 1 /Ea.
Thread Class 3a all ends
End Application Used on chinook helicopter ch-47
Connection Style External seat for gasket seal (boss) all ends
Connection Type Threaded external boss all ends
Thread Size 0.438 inches all ends
Nominallength 1.062 inches
Special Features Used on grumman aircraft, model a10
Material Steel
Surface Treatment Cadmium
Style Designator Flareless (tube)
Style Designator Flareless w/ center wrenching facility
Thread Series Designator Unjf all ends
Specification Data 96906-ms21902 government standard

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