5340-01-145-1648, STANDOFF,THREADED,SPACING

National Stock Number:
5340-01-145-1648

Federal Supply Class:
5340

National Item Identification Number:
011451648

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:

MBEU68885

U1604

MARTIN-BAKER AIRCRAFT COMPANY LIMITED

Techincal Specification:

MATERIAL	STEEL CORROSION RESISTING STANDOFF
MATERIAL DOCUMENT AND CLASSIFICATION	S143D FSCM U1604 MFR REF SINGLE MATERIAL RESPONSE STANDOFF
STYLE DESIGNATOR	FLANGED WITH LEFT INTERNAL THREAD
FLANGE THICKNESS	1.625 INCHES NOMINAL
LENGTH	2.125 INCHES NOMINAL
FLANGE WIDTH ACROSS FLATS	0.679 INCHES MINIMUM AND
	0.688 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF LEFT INTERNAL (INCLUDES THRU THREAD)
	UNF RIGHT EXTERNAL
NOMINAL THREAD SIZE	0.375 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
	0.312 INCHES RIGHT EXTERNAL
THREAD QUANTITY PER INCH	24 LEFT INTERNAL (INCLUDES THRU THREAD)
	24 RIGHT EXTERNAL
THREAD CLASS	2B LEFT INTERNAL (INCLUDES THRU THREAD)
	2A RIGHT EXTERNAL
THREAD DIRECTION	RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
	RIGHT-HAND RIGHT EXTERNAL
THREAD LENGTH	0.625 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)
	0.500 INCHES NOMINAL RIGHT EXTERNAL

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