2910-00-774-4557 (7744557)
NSN 2910-00-774-4557 (NIIN 00-774-4557) is a tube in Federal Supply Class 2910, Engine Fuel System Components, Nonaircraft. Manufacturer part number 7744557 (U S Army Tank Automotive Command, CAGE 19207); also referenced as 515775 (Renk America LLC).
NIIN assigned January 1963; DEMIL A (none required).