5305-00-275-5378 THUMBSCREW Index 5305-00-275-5390 THUMBSCREW

National Stock Number:
5305-00-275-5389

Federal Supply Class:
5305

National Item Identification Number:
002755389

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:
8Z1015 PC 5710001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FASTENER LENGTH0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
HEAD DIAMETER0.194 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
HEAD HEIGHT0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 3
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD DIAMETER0.099 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
POINT STYLEOVAL
SPECIAL FEATURESKNURLED HEAD CHAMFERED TO SHANK AT 45 DEGREES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.270 INCHES MINIMUM
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNF


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