5305-00-946-4853 THUMBSCREW Index 5305-00-946-4855 THUMBSCREW

National Stock Number:
5305-00-946-4854

Federal Supply Class:
5305

National Item Identification Number:
009464854

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:
12C00393-04910396HERCULES INC AEROSPACE DIV BACCHUS WORKS


Techincal Specification:
FASTENER LENGTH1.120 INCHES MINIMUM AND 1.140 INCHES MAXIMUM
HEAD DIAMETER1.000 INCHES MAXIMUM
HEAD HEIGHT1.000 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
POINT STYLEPOINTLESS
SHOULDER DIAMETER0.490 INCHES MINIMUM AND 0.499 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH0.625 INCHES NOMINAL FIRST SHOULDER
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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