5305-01-066-6726 SCREW,MACHINE Index 5305-01-066-6731 SCREW,MACHINE

National Stock Number:
5305-01-066-6727

Federal Supply Class:
5305

National Item Identification Number:
010666727

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
MS24693-CB3696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HEAD DIAMETER0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.138 INCHES
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 3C STYLE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALCOPPER
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.316 INCHES MINIMUM AND 1.440 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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