5305-00-959-2692 SCREW,MACHINE Index 5305-00-959-2694 SCREW,MACHINE

National Stock Number:
5305-00-959-2693

Federal Supply Class:
5305

National Item Identification Number:
009592693

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:
858892-0032345DEFENSE REDUCTION AGENCY
MS35191-28896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.438 INCHES NOMINAL
HEAD HEIGHT0.092 INCHES MINIMUM AND 0.107 INCHES MAXIMUM
HEAD DIAMETER0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
SCREW MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.367 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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