CRITICALITY CODE JUSTIFICATION | FEAT |
EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
FASTENER LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
HOLE QUANTITY | 2 |
HOLE TYPE | DRILLED |
MATERIAL DOCUMENT AND CLASSIFICATION | INCONEL FSCM 74900 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | NICKEL ALLOY 718 OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SPECIAL FEATURES | ITEM IS CRITICAL TO ENGINE OPERATION |
WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNJF |