5310-00-778-3329 NUT,PLAIN,ROUND Index 5310-00-778-3348 WASHER,FLAT

National Stock Number:
5305-00-778-3331

Federal Supply Class:
5305

National Item Identification Number:
007783331

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:
7043243P103538LOCKHEED MARTIN CORPORATION
7043243P110543CANADIAN GENERAL ELECTRIC CO LTD
7043243P124446GENERAL ELECTRIC COMPANY


Techincal Specification:
FASTENER LENGTH1.400 INCHES NOMINAL
HEAD DIAMETER0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
HEAD HEIGHT0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 360 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
POINT STYLEFLAT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONF70C5A,FSCM 24446 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.338 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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