5305-01-270-5443 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-270-5445 SCREW,MACHINE

National Stock Number:
5305-01-270-5444

Federal Supply Class:
5305

National Item Identification Number:
012705444

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:
AN505C2R1088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD DIAMETER0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.086 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 403 OR STEEL COMP 303 OR STEEL COMP 303SE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTPLASTIC
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.589 INCHES MINIMUM
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNC


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