5340-01-171-0700, STANDOFF,THREADED,SPACING

5340-01-167-9844 STANDOFF,THREADED,SPACING

National Stock Number:
5340-01-171-0700

Federal Supply Class:
5340

National Item Identification Number:
011710700

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:

74D291037-2073

76301

THE BOEING COMPANY

Techincal Specification:

MATERIAL	COPPER ALLOY 630 STANDOFF
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
STYLE DESIGNATOR	FLANGED WITH LEFT INTERNAL THREAD
FLANGE DIAMETER	0.375 INCHES NOMINAL
FLANGE THICKNESS	4.700 INCHES NOMINAL
LENGTH	5.200 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNJF LEFT INTERNAL (INCLUDES THRU THREAD)
	UNJF RIGHT EXTERNAL
NOMINAL THREAD SIZE	0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
	0.250 INCHES RIGHT EXTERNAL
THREAD QUANTITY PER INCH	32 LEFT INTERNAL (INCLUDES THRU THREAD)
	28 RIGHT EXTERNAL
THREAD CLASS	3B LEFT INTERNAL (INCLUDES THRU THREAD)
	3A RIGHT EXTERNAL
THREAD DIRECTION	RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
	RIGHT-HAND RIGHT EXTERNAL
THREAD LENGTH	0.350 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)
	0.399 INCHES NOMINAL RIGHT EXTERNAL
SPECIAL FEATURES	THREAD UNDERCUT 0.191 INCH DIA BY 0.101 INCH WIDE

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