5305-01-351-2470 SCREW,MACHINE Index 7030-01-351-2472 DISK PROGRAM,AUTOMATIC DATA PROC

National Stock Number:
5305-01-351-2471

Federal Supply Class:
5305

National Item Identification Number:
013512471

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:
MS51959-00396906MILITARY 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 LENGTH0.296 INCHES NOMINAL
HEAD DIAMETER0.156 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.066 INCHES
SCREW MATERIALSTEEL CORROSION RESISTING
SCREW SURFACE TREATMENTPASSIVATE
SPECIFICATION/STANDARD DATA96906-MS51959-003 GOVERNMENT STANDARD
THREAD LENGTH0.250 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH36


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