Bell OH-58A Technical Manual page 315

The terms and acronyms listed herein are defined in relation to
BDAR and accordingly may not be used in the same manner in other
manuals.
Additional definitions of terms, markings, and acronyms used
during BDAR assessment procedures will be found under chapter
1, paragraph 1-10, Tagging and Identifying BDAR Repairs.
ABRASION
ALLOWANCE
API
ASSEMBLY
ASSEMBLY CLEARANCE
ASSESSMENT
ASSOCIATED PARTS
AXIAL
BATTLEFIELD DAMAGE
BEAM
BEND
BORE
GLOSSARY
NOTE
Roughened surface, varying from light to severe.
A prescribed difference between the maximum condition of
The minimum clearance or maximum inter-
mating parts.
ference between such parts.
Armor piercing incendary armament round.
A group of two or more physically connected and related
parts, capable of disassembly, and when combined with
other assemblies and parts, creates a component.
The actual fit between two or more mating parts with
respect to the amount of clearance or interference
between them.
A procedure to rapidly determine what is damaged,
whether it is repairable, what assets are required,
who can perform the repair, and where the repair
can made.
A group of parts which could contain one or more
unrelated parts of a subassembly, one or more sub-
assemblies, and attaching hardware.
Related to an axis.
shaft or gear moves.
Any incident such as combat damage, random failures,
operator errors, accidents, and wear-out failures
which occur on the battlefield and which prevent the
equipment/end item from accomplishing its mission.
A primary structural element designed to carry heavy
loads by resisting bending in one direction. Usually
constructed with a channel, tee, or "I" cross section.
Any change in an intended configuration.
Inside measurement of the interior diameter of a hole
or tube. Also used to describe the hole itself.
Describes the linear distance a
TM 55-1520-228-BD
GLOS-1