5340-01-426-5396, STANDOFF,THREADED,SPACING

5340-01-426-5397 STANDOFF,HINGED,THREADED

National Stock Number:
5340-01-426-5396

Federal Supply Class:
5340

National Item Identification Number:
014265396

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:

G398-29

26512

NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

CROSS-SECTIONAL SHAPE	ROUND
DIAMETER	0.250 INCHES NOMINAL
LEFT COUNTERBORE DEPTH	0.094 INCHES NOMINAL
LEFT COUNTERBORE DIAMETER	0.171 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
LENGTH	3.620 INCHES MINIMUM AND 3.630 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3 T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/5 T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2017 OVERALL
NOMINAL THREAD SIZE	0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE	0.138 INCHES RIGHT INTERNAL
RIGHT COUNTERBORE DEPTH	0.094 INCHES NOMINAL
RIGHT COUNTERBORE DIAMETER	0.171 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
STYLE DESIGNATOR	LEFT INTERNAL AND RIGHT INTERNAL THREADS
THREAD CLASS	3B RIGHT INTERNAL
THREAD CLASS	3B LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTION	RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTION	RIGHT-HAND RIGHT INTERNAL
THREAD LENGTH	0.375 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD LENGTH	0.375 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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