5305-01-145-6963 SCREW,CAP,SOCKET HEAD Index 5305-01-145-6966 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-145-6964

Federal Supply Class:
5305

National Item Identification Number:
011456964

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
CA21094-3-6HS29372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.432 INCHES MINIMUM AND
0.591 INCHES MAXIMUM
FASTENER LENGTH1.002 INCHES MINIMUM AND
1.022 INCHES MAXIMUM
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.339 INCHES MINIMUM AND
0.585 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.109 INCHES MINIMUM AND
0.111 INCHES MAXIMUM
SPECIAL FEATURESWITH THREE SLOTS EQUALLY SPACED ALONG THE LONGITUDINAL AXIS 0.028 IN. MIN 0.035 IN MAX W; HOLE IN THD END 0.089 IN. DIA BY 0.150 IN. MIN DP COUNTERBORED 0.100 IN. DIA BY 0.055 IN. MAX DP; DRY FILM LUBRICATED MIL-L-8937


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