5360-00-980-5250 SPRING,HELICAL,COMPRESSION Index 5305-00-980-5252 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-00-980-5251

Federal Supply Class:
5305

National Item Identification Number:
009805251

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
106456-3-256878SPS TECHNOLOGIES, LLC
106456-3-280539SPS TECHNOLOGIES, LLC
GB510DC3-226512NORTHROP GRUMMAN SYSTEMS CORPORATION
GB510L3-226512NORTHROP GRUMMAN SYSTEMS CORPORATION
GB510DC3-227624SPS TECHNOLOGIES LLC
GB510DC3-258845ABOUNDING SECURITY INC DIV OF MAA CORP
HT8043-3-206950HOWMET GLOBAL FASTENING SYSTEMS INC
HT239PB3-273197HI-SHEAR CORPORATION
HT8043-3-292215HOWMET GLOBAL FASTENING SYSTEMS INC
HT8043-3-2C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT239PB3-2C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT239PB3-2R1120SATAIR A/S


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.401 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE
THREAD CLASS3A
THREAD LENGTH0.276 INCHES MINIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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