4820-00-808-9946 VALVE,SAFETY RELIEF Index 5305-00-808-9948 SCREW,MACHINE

National Stock Number:
5305-00-808-9947

Federal Supply Class:
5305

National Item Identification Number:
008089947

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:
51B333-40H06725SPS TECHNOLOGIES, LLC
51B333-40H06950HOWMET GLOBAL FASTENING SYSTEMS INC
51B333-40H0JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
51B333-40H27624SPS TECHNOLOGIES LLC
51B333-40H73197HI-SHEAR CORPORATION
51B333-40H76823NORTHROP GRUMMAN SYSTEMS CORPORATION
51B333-40H79U29NORTHROP GRUMMAN SYSTEMS CORPORATION
51B333-40H80539SPS TECHNOLOGIES, LLC
51B333-40H92215HOWMET GLOBAL FASTENING SYSTEMS INC
51B333-40HL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH2.876 INCHES NOMINAL
HEAD DIAMETER0.385 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLETORQUE SET
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM
THREAD LENGTH0.276 INCHES MINIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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