MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A FORM 1 FED SPEC SINGLE MATERIAL RESPONSE |
MATERIAL | NICKEL ALLOY 400 |
PROPRIETARY CHARACTERISTICS | PACS |
NOMINAL THREAD SIZE | 0.750 INCHES NUT THREAD0.875 INCHES STUD THREAD |
NUT END SHANK DIAMETER | 0.750 INCHES NOMINAL |
NUT END SHANK LENGTH | 0.765 INCHES NOMINAL |
OVERALL LENGTH | 5.120 INCHES NOMINAL |
SHOULDER DIAMETER | 1.080 INCHES MINIMUM AND 1.090 INCHES MAXIMUM |
SHOULDER LENGTH | 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
STUD END SHANK DIAMETER | 0.875 INCHES NOMINAL |
STUD END SHANK LENGTH | 1.560 INCHES NOMINAL |
STYLE DESIGNATOR | SHOULDERED AND STEPPED |
SURFACE FINISH | 63.0 MICROINCHES SHOULDER BEARING SURFACE |
THREAD CLASS | 2A NUT THREAD3A STUD THREAD |
THREAD DIRECTION | RIGHT-HAND NUT THREADRIGHT-HAND STUD THREAD |
THREAD LENGTH | 1.310 INCHES NOMINAL NUT THREAD1.250 INCHES NOMINAL STUD THREAD |
THREAD QUANTITY PER INCH | 10 NUT THREAD9 STUD THREAD |
THREAD SERIES DESIGNATOR | UNC NUT THREADUNC STUD THREAD |