Part Number: AN24-38

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CONDITION:
NS
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE88044
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.324 INCHES MINIMUM AND 0.364 INCHES MAXIMUM
FASTENER LENGTH2.396 INCHES MINIMUM AND 2.416 INCHES MAXIMUM
HEAD STYLEBUTTON
HEAD DIAMETER0.500 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES NOMINAL
GROOVE DIAMETER0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.234 INCHES MINIMUM FIRST HOLE AND 2.266 INCHES MAXIMUM FIRST HOLE
MATERIALSTEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4037 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OVERALL OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF
An externally threaded fastener whose threaded and unthreaded portions are of one nominal diameter and are separated by a narrow circumferential groove. The head is designed to be held or driven with an inserted driver. Excludes BOLT, SHEAR.