An item used on the upper horizontal part of a step upon which the foot is placed. It may have a nosing, and is corrugated or otherwise specially constructed to resist skidding.
NSN 7035-00-043-1325
NSN 5930-00-200-8063
NSN 6610-01-006-3255
NSN 5960-01-070-8525
NSN 5999-01-327-4778
NSN 5950-00-339-2816
NSN 5945-00-236-5998
NSN 5950-00-179-2358
NSN 5905-00-171-2652
NSN 5965-00-296-9994
NSN 6145-01-090-8706
NSN 2925-01-285-7163