5305-00-182-9337 SCREW,MACHINE Index 5305-00-182-9339 SCREW,MACHINE

National Stock Number:
5305-00-182-9338

Federal Supply Class:
5305

National Item Identification Number:
001829338

Description:
THUMBSCREW

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).


Manufacturer Information:
0N12466398230NATIONAL SECURITY AGENCY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
HEAD DIAMETER0.499 INCHES MINIMUM AND 0.519 INCHES MAXIMUM
HEAD HEIGHT0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
POINT STYLECONE
SECOND DIAMETER FROM HEAD0.070 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC


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