5305-00-207-2787 SCREW,MACHINE Index 5305-00-207-2797 SCREW,MACHINE

National Stock Number:
5305-00-207-2793

Federal Supply Class:
5305

National Item Identification Number:
002072793

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:
10125054A486GNIMIKKEISTOKESKUS NCB FINLAND
AN509C416R1188044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MS24694C9880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24694C9896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NASM24694-C9880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD DIAMETER0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH85000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 304
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.429 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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