| MRC |
Requirement Statement |
Characteristics |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| ZZZW |
DEPARTURE FROM CITED DOCUMENT |
ASMODIFIED BY REVISION 6 |
| AASB |
FASTENER LENGTH |
2.349 INCHES MINIMUM AND 2.379 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.464 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
NAS 621 COMP 4AL-4MN,FSCM,80205 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
TITANIUM ALLOY OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS664 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES TOP OF HEAD |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.330 INCHES MINIMUM AND 0.451 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
