5305-01-440-8702 SCREW,PANEL FASTENER Index 5305-01-440-8704 SCREW,SHOULDER

National Stock Number:
5305-01-440-8703

Federal Supply Class:
5305

National Item Identification Number:
014408703

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:
MS35764-141896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH3.250 INCHES NOMINAL
HEAD HEIGHT0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
HEAD STYLEDISHED HEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
NOMINAL THREAD DIAMETER0.500 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-45912 MIL SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMIL-P-16232 TYZ CL2 MIL SPEC SINGLE TREATMENT RESPONSE
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTPHOSPHATE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUN
WIDTH BETWEEN FLATS0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM


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