5340-01-451-4901, STANDOFF,THREADED,SPACING

5340-01-451-4900 STANDOFF,THREADED,SPACING

National Stock Number:
5340-01-451-4901

Federal Supply Class:
5340

National Item Identification Number:
014514901

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:

11456185-4

18876

U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

CROSS-SECTIONAL SHAPE	HEXAGON
LEFT COUNTERBORE DIAMETER	0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
LEFT COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
LENGTH	1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A526 CL 414 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 416 OVERALL
NOMINAL THREAD SIZE	0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE	0.138 INCHES RIGHT INTERNAL
RIGHT COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
RIGHT COUNTERBORE DIAMETER	0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.250 INCHES NOMINAL
STYLE DESIGNATOR	LEFT INTERNAL AND RIGHT INTERNAL THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2B LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD CLASS	2B RIGHT INTERNAL
THREAD DIRECTION	RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTION	RIGHT-HAND RIGHT INTERNAL
THREAD LENGTH	0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD LENGTH	0.250 INCHES NOMINAL RIGHT INTERNAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL
THREAD QUANTITY PER INCH	32 LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD QUANTITY PER INCH	32 RIGHT INTERNAL

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