5340-01-374-3390, STANDOFF,THREADED,SPACING

5340-01-374-3389 STANDOFF,THREADED,SPACING

National Stock Number:
5340-01-374-3390

Federal Supply Class:
5340

National Item Identification Number:
013743390

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:

SM-A-800570-14	14480	LOBAUGH ROLLIN J
SM-A-800570-14	15908	MODERN MACHINE WORKS, INC.
SM-A-800570-14	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

CROSS-SECTIONAL SHAPE	HEXAGON
LEFT COUNTERBORE DEPTH	0.094 INCHES NOMINAL
LEFT COUNTERBORE DIAMETER	0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM
LENGTH	0.880 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1213 OVERALL
NOMINAL THREAD SIZE	0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE	0.138 INCHES RIGHT EXTERNAL
WIDTH ACROSS FLATS	0.250 INCHES NOMINAL
STYLE DESIGNATOR	LEFT INTERNAL AND RIGHT INTERNAL THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 1 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A RIGHT EXTERNAL
THREAD CLASS	2B LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTION	RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTION	RIGHT-HAND RIGHT EXTERNAL
THREAD LENGTH	0.310 INCHES NOMINAL RIGHT EXTERNAL
THREAD LENGTH	0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
THREAD QUANTITY PER INCH	32 LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD QUANTITY PER INCH	32 RIGHT EXTERNAL

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