5305-01-217-6978 SCREW,CLOSE TOLERANCE Index 5910-01-217-6980 CAPACITOR,FIXED,PLASTIC DIELECTR

National Stock Number:
5305-01-217-6979

Federal Supply Class:
5305

National Item Identification Number:
012176979

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:
128C268H4748306NORTHROP GRUMMAN SUPPORT SERVICES CORP
128C268H4797942NORTHROP GRUMMAN SYSTEMS CORPORATION
138C574H0248306NORTHROP GRUMMAN SUPPORT SERVICES CORP
51-99-179-0294222SOUTHCO INC
138C574H0297942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
FASTENER LENGTH1.062 INCHES NOMINAL
HEAD DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
HEAD HEIGHT0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 4
INTERNAL DRIVE STYLESLOT
MATERIAL ACCOMMODATED THICKNESS0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5514 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-766 CLASS 2 CONDITION A FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIALSTEEL COMP 305 STAND-OFF
MATERIALSTEEL COMP 303 FASTENER
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESSTRAIGHT KNURL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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