5340-01-459-4252, STANDOFF,THREADED,SPACING

5340-01-459-4251 STANDOFF,THREADED,SPACING

National Stock Number:
5340-01-459-4252

Federal Supply Class:
5340

National Item Identification Number:
014594252

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:

NAS1831	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1831A5D56	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

CROSS-SECTIONAL SHAPE	HEXAGON
LENGTH	3.4950 INCHES MINIMUM AND 3.5050 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/3 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
MATERIAL	ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2011 STANDOFF
NOMINAL THREAD SIZE	0.1640 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE	0.1640 INCHES RIGHT INTERNAL
WIDTH ACROSS FLATS	0.3070 INCHES MINIMUM AND 0.3190 INCHES MAXIMUM
STYLE DESIGNATOR	LEFT INTERNAL AND RIGHT INTERNAL THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625, TY 1 OR TY 2, CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF
SURFACE TREATMENT	ANODIZE OVERALL
THREAD CLASS	2B LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD CLASS	2B RIGHT INTERNAL
THREAD DIRECTION	RIGHT-HAND RIGHT INTERNAL
THREAD DIRECTION	RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD LENGTH	0.4380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD LENGTH	0.4380 INCHES NOMINAL RIGHT INTERNAL
THREAD QUANTITY PER INCH	32 LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD QUANTITY PER INCH	32 RIGHT INTERNAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL

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