5305-01-134-0709 SCREW,MACHINE Index 5305-01-134-0712 SCREW,MACHINE

National Stock Number:
5305-01-134-0710

Federal Supply Class:
5305

National Item Identification Number:
011340710

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:
S5009-416R826512NORTHROP GRUMMAN SYSTEMS CORPORATION
S5009-416R879RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
EXTENDED WASHER THICKNESS0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
HEAD DIAMETER0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
HEAD HEIGHT0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM
HEAD STYLEROUND EXTENDED WASHER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
SCREW MATERIALSTEEL COMP 4037 OR STEEL COMP 8630
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.343 INCHES MINIMUM AND 0.407 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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