5306-01-021-2517 BOLT,MACHINE Index 5305-01-021-2520 SCREW,TAPPING

National Stock Number:
5305-01-021-2518

Federal Supply Class:
5305

National Item Identification Number:
010212518

Description:
SCREW ASSEMBLY,PANEL

Detail:
A HEADED, THREADED FASTENING DEVICE OVER WHICH MAY BE ASSEMBLED; (1) A STAND-OFF; (2) A FLANGED BUSHING WITH WASHER(S) AND/OR A SHOULDERED BUSHING WITHOUT A FLANGE, OR IT MAY HAVE AN INTERNALLY THREADED SLEEVE THAT IS AN INTEGRAL PART OF THE SCREW; A WASHER AND AN EXTERNALLY THREAD SELF-LOCKING BUSHING THAT IS DRIVEN BY AN INSERTED DRIVER. ATTACHED TO PANEL BY THREADED BUSHING OR BY FLARING END OF STAND-OFF, OR BUSHING. USED IN CONJUNCTION WITH A SPEED NUT, NUT PLATE, OR DRIVEN INTO A THREADED HOLE IN THE ITEM THAT THE PANEL IS FASTENED TO. MAY BE SPRING LOADED.


Manufacturer Information:
1155869618876U S ARMY AVIATION AND MISSILE COMMAND
119B557H0148306NORTHROP GRUMMAN SUPPORT SERVICES CORP
119B557H0197942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
FASTENER LENGTH1.065 INCHES NOMINAL
HEAD DIAMETER0.500 INCHES NOMINAL
HEAD HEIGHT0.185 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
INTERNAL DRIVE STYLESLOT
MATERIAL ACCOMMODATED THICKNESS0.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1212 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
SPECIAL FEATURES0.310 IN. DIA X 0.190 IN. LG SHOULDER UNDER HEAD;BODY RELIEVED TO 0.130 IN. DIA X 0.500 IN. LG FROM SHOULDER;0.060 IN. MIN TO 0.065 IN. MAX DIA HOLE LOCATED 0.438 IN. FROM SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.375 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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