Part Number: 1/2-20UNCX8 IN. LG GR 8

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CONDITION:
NS
CARDINAL FASTENER & SPECIALTY CO78509
NAVAL AIR SYSTEMS COMMAND30003
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH4.000 INCHES MINIMUM
FASTENER LENGTH7.880 INCHES MINIMUM AND 8.120 INCHES MAXIMUM
HEAD STYLEHEXAGON
HEAD HEIGHT0.310 INCHES NOMINAL
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL
NOMINAL THREAD DIAMETER0.500 INCHES
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of .19 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.