| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.178 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
4.056 INCHES NOMINAL |
| AAUR |
GRIP DIAMETER |
0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
2.99 INCHES MINIMUM AND 3.01 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.711 INCHES NOMINAL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON EXTENDED WASHER |
| CRHC |
HOLE CONFIGURATION STYLE |
HEXAGON FLATS |
| AAUB |
HOLE DIAMETER |
0.05 INCHES MINIMUM AND 0.06 INCHES MAXIMUM |
| ASXK |
HOLE QUANTITY |
4 |
| BQDM |
HOLE TYPE |
DRILLED |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5826(AISI 4140) GOVERNMENT STD/SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000(AISI 4340) GOVERNMENT STD/SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049(AISI 8740) GOVERNMENT STD/SPEC 3RD MATERIAL RESPONSE OR MIL-S-8503(AISI 6150) GOVERNMENT STD/SPEC 4TH MATER |
| MATT |
MATERIAL |
STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.7500 INCHES |
| CXCY |
III PART NAME ASSIGNED BY CONTROLLING AGENCY |
BOLT,TENSION,STEEL,EXTERNAL WRENCHING,FLANGED,12-POINT,180 KSI FTU,450 DEGREE |
| FEAT |
SPECIAL FEATURES |
MAXIMUM TENSILE STRENGTH IS 200,000 PSI |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.8125 INCHES NOMINAL |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS-21250 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES GRIP |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES THREADS |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE II,CLASS 2 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.036 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
16 |
