5305-00-156-2678 SCREW,MACHINE Index 5305-00-156-2680 SCREW,MACHINE

National Stock Number:
5305-00-156-2679

Federal Supply Class:
5305

National Item Identification Number:
001562679

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:
AN500AC8-781352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
AN500AC8-788044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FFS92ANDTYPE1ANDSTYLE4S81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD HEIGHT0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HOLE CONFIGURATION STYLEROUND
HEAD STYLEFILLISTER
HOLE DIAMETER0.046 INCHES NOMINAL
HOLE QUANTITY1
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.164 INCHES
NONDEFINITIVE SPEC/STD DATAI TYPE AND 4S STYLE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 430 OR STEEL COMP 302
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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