Part Number: SB4-B-391
Technical Overview:
Technical reference SB4-B-391 - 9 characters, 3 segment(s), 3 letters / 4 digits, manufacturer / commercial part family reference. Reference SB4-B-391 is a 3-segment manufacturer catalog line of 9 characters, mixing 3 letters and 4 digits under the SB4 family prefix. Multi-segment alpha-numeric designations of this shape usually indicate a component line within a single OEM technical catalog. Breakdown: SB4 | B | 391 — a digit-dominant reference (3 letters / 4 digits). Global Parts-Technology lists it for sourcing; classification, OEM (Subject to Verification) and condition (NE) are confirmed at RFQ validation, with traceability and AOG support. Confirm the complete designation against the aircraft or equipment documentation before ordering.
Part Number Intelligence:
Reference SB4-B-391 is a 3-segment manufacturer catalog line of 9 characters, mixing 3 letters and 4 digits under the SB4 family prefix. Multi-segment alpha-numeric designations of this shape usually indicate a component line within a single OEM technical catalog. Breakdown: SB4 | B | 391 — a digit-dominant reference (3 letters / 4 digits).