5305-01-420-2982 SCREW,MACHINE Index 9540-01-420-2984 BEAM,STRUCTURAL

National Stock Number:
5305-01-420-2983

Federal Supply Class:
5305

National Item Identification Number:
014202983

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:
95001-2489944ELBITAMERICA, INC.


Techincal Specification:
FASTENER LENGTH0.312 INCHES MAXIMUM
HEAD HEIGHT0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM
HEAD DIAMETER0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
HEAD STYLEUNDERCUT PAN NO. 2
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.086 INCHES
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
THREAD LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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