NutsBBOEING · BAC
✓ Owner approvedBACN10AU
AU — Self-aligning washer
Part 2
PART NUMBER LEARNING
Understand this Part Number
Supported size positions are calculated below. Letter codes and suffixes are never guessed.
Example being read
BACN10AU- Recorded family
BACN10AUThis format is linked to the identification note, but it does not contain a safely supported diameter-and-grip pattern for automatic decoding.
Automatic decoding stops here because the remaining format is not verified for this family.
Open the full Fastener Part Number Identification note →Quick-reference boundary
Do not select, install or substitute a fastener from this page alone. Confirm the complete part number, diameter, grip, material, finish, head style, effectivity and approved application against current controlled aircraft data and company procedures.