5305-00-781-7240 SCREW,MACHINE Index 5305-00-781-7242 SCREW,MACHINE

National Stock Number:
5305-00-781-7241

Federal Supply Class:
5305

National Item Identification Number:
007817241

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:
FF-S-9281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-S-92 TY1ST4S80244GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE
MS35265-8996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH2.500 INCHES NOMINAL
HEAD DIAMETER0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
HEAD HEIGHT0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
HEAD HOLE CONFIGURATION STYLEROUND
HEAD STYLEFILLISTER
HOLE DIAMETER0.031 INCHES NOMINAL
HOLE QUANTITY1
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIALSTEEL
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE
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 LENGTH1.750 INCHES MINIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH20


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