5305-01-200-0278 SCREW Index 5310-01-200-0280 NUT,SPECIAL

National Stock Number:
5307-01-200-0279

Federal Supply Class:
5307

National Item Identification Number:
012000279

Description:
STUD,SELF-LOCKING

Detail:
A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see BOLT, SELF-LOCKING and STUD, LOCKED IN. Excludes INSERT, SCREW THREAD.


Manufacturer Information:
46S.062ST1486557POPE AND TALBOT INC
610073P10494117BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
M63540/3-14-781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DISTANCE ACROSS FLATS0.250 INCHES NOMINAL
HEAD DIAMETER0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM
HEAD LENGTH0.054 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
LOCKING FEATURESELF-CLINCHING HEAD
OVERALL LENGTH0.485 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
MATERIALSTEEL COMP 305
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD
STYLE DESIGNATORSELF-LOCKING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS1AA2A
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD LENGTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM NUT THREAD
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32 NUT THREAD


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