| MRC |
Requirement Statement |
Characteristics |
| HUES |
COLOR |
BLACK THREADS |
| AATC |
EXTENDED WASHER DIAMETER |
0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.2355 INCHES MINIMUM AND 2.2655 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.4981 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
1.4275 INCHES MINIMUM AND 1.4475 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON EXTENDED WASHER |
| MATT |
MATERIAL |
NICKEL ALLOY 718 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| CXCY |
III PART NAME ASSIGNED BY CONTROLLING AGENCY |
BOLT,12 POINT HEAD,220 KSI MIN TENSILE,125 KSI MIN SHEAR,NICKEL ALLOY 718(NOMINAL AND OVERSIZE) |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5662 OR 5962 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| AAWU |
SINGLE SHEAR STRENGTH |
125000 POUNDS PER SQUARE INCH |
| FEAT |
SPECIAL FEATURES |
FATIGUE LOW LOAD IS 1960 AND FATIGUE HIGH LOAD IS 19600 MAXIMUM SERVICE TEMPERATURE IS 350 DEGREES F HEAD TO BE MARKED WITH PART NUMBER CONFIGURATION IAW BACB30US STANDARD |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.637 INCHES MINIMUM AND 0.651 INCHES MAXIMUM |
| ZZZK |
SPECIFICATION/STANDARD DATA |
81205-BACB30US MANUFACTURERS STANDARD |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES HEAD |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ALUMINUM PIGMENTED COATING IAW BMS10-85,TYPE I MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
ALUMINUM OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.813 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
