5307-00-208-8521, STANDOFF,THREADED,SPACING

5307-00-208-8522 STANDOFF,THREADED,SPACING

National Stock Number:
5307-00-208-8521

Federal Supply Class:
5307

National Item Identification Number:
002088521

Description:
STANDOFF,THREADED,SPACING

Detail:
A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see STUD (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see NUT (as modified); use maximum dimensions(s) for compliance.

Manufacturer Information:

10-35475	28839	TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV
10-35475	59501	UNISON INDUSTRIES LLC
10-35475	77820	AMPHENOL CORP

Techincal Specification:

FLANGE THICKNESS	0.575 INCHES MINIMUM AND 0.607 INCHES MAXIMUM
FLANGE WIDTH ACROSS FLATS	0.375 INCHES NOMINAL
NOMINAL THREAD SIZE	0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE	0.250 INCHES RIGHT EXTERNAL
LENGTH	3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM
MATERIAL	STEEL CORROSION RESISTING STANDOFF
STYLE DESIGNATOR	FLANGED WITH LEFT INTERNAL THREAD
THREAD CLASS	3B LEFT INTERNAL (INCLUDES THRU THREAD)3A RIGHT EXTERNAL
THREAD DIRECTION	RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTION	RIGHT-HAND RIGHT EXTERNAL
THREAD LENGTH	0.750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)1.172 INCHES MINIMUM RIGHT EXTERNAL
THREAD QUANTITY PER INCH	28 RIGHT EXTERNAL
THREAD QUANTITY PER INCH	28 LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATOR	UNF LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATOR	UNF RIGHT EXTERNAL

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