5340-01-624-6343, STANDOFF,THREADED,SPACING

1560-01-624-8188 PANEL,STRUCTURAL,AIRCRAFT

National Stock Number:
5340-01-624-6343

Federal Supply Class:
5340

National Item Identification Number:
016246343

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:

ST4M138-04-40

76301

THE BOEING COMPANY

Techincal Specification:

MATERIAL	ALUMINUM ALLOY 2024 STANDOFF
	STEEL CORROSION RESISTING INSERT
CROSS-SECTIONAL SHAPE	HEXAGON
WIDTH ACROSS FLATS	0.250 INCHES NOMINAL
STYLE DESIGNATOR	LEFT INTERNAL AND RIGHT INTERNAL THREADS
LENGTH	4.00 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNC LEFT INTERNAL (INCLUDES THRU THREAD)
	UNC RIGHT INTERNAL
NOMINAL THREAD SIZE	0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
	0.112 INCHES RIGHT INTERNAL
THREAD QUANTITY PER INCH	40.0 LEFT INTERNAL (INCLUDES THRU THREAD)
	40.0 RIGHT INTERNAL
THREAD CLASS	2B LEFT INTERNAL (INCLUDES THRU THREAD)
	2B RIGHT INTERNAL
THREAD DIRECTION	RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
	RIGHT-HAND RIGHT INTERNAL
THREAD LENGTH	0.500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)
	0.500 INCHES NOMINAL RIGHT INTERNAL
PART NAME ASSIGNED BY CONTROLLING AGENCY	SPACER, SLEEVE-HEX, THREADED, SELF-LOCKING

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