5305-01-064-1554 SETSCREW Index 5306-01-064-1556 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-064-1555

Federal Supply Class:
5305

National Item Identification Number:
010641555

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:
851193018876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
FASTENER LENGTH1.125 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD DIAMETER1.000 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 7,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SHOULDER LENGTH0.562 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
POINT STYLEFLAT
SHOULDER DIAMETER0.500 INCHES NOMINAL FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.562 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH20


Click here to Register for Free 30-day Trial