MRC |
Requirement Statement |
Characteristics |
HUES |
COLOR |
BLACK THREADS |
AATC |
EXTENDED WASHER DIAMETER |
1.04 INCHES MINIMUM AND 1.05 INCHES MAXIMUM |
AATD |
EXTENDED WASHER THICKNESS |
0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
AASB |
FASTENER LENGTH |
2.33 INCHES MINIMUM AND 2.36 INCHES MAXIMUM |
AAUR |
GRIP DIAMETER |
0.6226 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM |
ANEE |
GRIP LENGTH |
1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM |
AASU |
HEAD HEIGHT |
0.520 INCHES MINIMUM AND 0.540 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 |
0.6250 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 3120 AND FATIGUE HIGH LOAD IS 31200 MAXIMUM SERVICE TEMPERATURE IS 350 DEGREES F HEAD TO BE MARKED WITH PART NUMBER CONFIGURATION PER BACB30US STANDARD |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
AATB |
WIDTH BETWEEN FLATS |
0.775 INCHES MINIMUM AND 0.797 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 |
0.970 INCHES NOMINAL |
CMLP |
THREAD QUANTITY PER INCH |
18 |