5340-01-420-5149, STANDOFF,THREADED,SPACING

5905-01-420-5148 RESISTOR,FIXED,WIRE WOUND

5340-01-420-5150 STANDOFF,THREADED,SPACING

National Stock Number:
5340-01-420-5149

Federal Supply Class:
5340

National Item Identification Number:
014205149

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:

1220B1334	03538	LOCKHEED MARTIN CORPORATION
1220B1334	54497	MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS

Techincal Specification:

MATERIAL	STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 TY 6 OR TY 7 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL SHAPE	HEXAGON
WIDTH ACROSS FLATS	0.188 INCHES NOMINAL
STYLE DESIGNATOR	LEFT INTERNAL AND RIGHT EXTERNAL THREAD
LENGTH	0.680 INCHES MINIMUM AND
	0.690 INCHES MAXIMUM
LEFT PROJECTION DIAMETER	0.187 INCHES MINIMUM
LEFT PROJECTION LENGTH	0.040 INCHES MINIMUM AND
	0.050 INCHES MAXIMUM
RIGHT PROJECTION DIAMETER	0.112 INCHES NOMINAL
RIGHT PROJECTION LENGTH	0.120 INCHES MINIMUM AND
	0.140 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNC LEFT INTERNAL (INCLUDES THRU THREAD)
	UNC RIGHT EXTERNAL
NOMINAL THREAD SIZE	0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
	0.112 INCHES RIGHT EXTERNAL
THREAD QUANTITY PER INCH	40 LEFT INTERNAL (INCLUDES THRU THREAD)
	40 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	0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)
	0.100 INCHES NOMINAL RIGHT EXTERNAL

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