5305-01-391-0298, SCREW ASSEMBLY,PANEL

5307-01-391-0297 STUD,SHOULDERED AND STEPPED

National Stock Number:
5305-01-391-0298

Federal Supply Class:
5305

National Item Identification Number:
013910298

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:

871113-301	20418	DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING
871113-301	98255	DRS SUSTAINMENT SYSTEMS INC

Techincal Specification:

FASTENER LENGTH	2.953 INCHES NOMINAL
FEATURES PROVIDED	DRY FILM LUBRICANT
HEAD DIAMETER	0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT	0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5678 ASSN STD SINGLE MATERIAL RESPONSE SPRING
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL	STEEL COMP 303 STAND-OFF
MATERIAL	STEEL COMP 630 FASTENER
MATERIAL	STEEL COMP 631 SPRING
NOMINAL THREAD DIAMETER	0.375 INCHES
SPECIAL FEATURES	DRILLED HEAD, SIX HOLES 0.062 IN. DIA., PLUS 0.005 IN., MINUS 0.001 IN.
WIDTH ACROSS FLATS	0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-L-46010 MIL SPEC SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	LUBRICANT THREADS
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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