5365-99-666-3940, SPACER,STEPPED

National Stock Number:
5365-99-666-3940

Federal Supply Class:
5365

National Item Identification Number:
996663940

Description:
SPACER,STEPPED

Detail:
A TUBULAR SHAPED ITEM WITH A ROUND OR HEXAGON PERIPHERAL SHAPE HAVING TWO FLAT BEARING SURFACES PERPENDICULAR TO THE AXIS OF THE CENTRALLY LOCATED HOLE. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN ASSEMBLED PARTS. THE ITEM MAY BE WITH OR WITHOUT FLANGE(S) OF ANY PERIPHERAL SHAPE. THE LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR DISTANCE ACROSS PERIPHERAL FLATS. (WHEN THE LENGTH, OUTSIDE DIAMETER, AND/OR DISTANCE ACROSS PERIPHERAL FLATS ARE DESIGNATED AS A TOLERANCE, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.) IT MUST HAVE ONE OR MORE INTERNAL STEPS (COUNTERBORES) AND/OR EXTERNAL STEPS ON EITHER OR BOTH BEARING SURFACES. EXCLUDES SPACER, OPTICAL ELEMENT. SEE ALSO WASHER, RECESSED AND WASHER, SHOULDERED AND RECESSED.

Manufacturer Information:

60200402	K4244	BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED
AMP 06 00 22006	K4244	BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED

Techincal Specification:

BODY INSIDE DIAMETER	60.00 MILLIMETERS MINIMUM AND 60.15 MILLIMETERS MAXIMUM
BODY OUTSIDE DIAMETER	71.00 MILLIMETERS MINIMUM AND 71.20 MILLIMETERS MAXIMUM
FIRST LEFT COUNTERBORE DEPTH	7.75 MILLIMETERS MINIMUM AND 8.25 MILLIMETERS MAXIMUM
FIRST LEFT COUNTERBORE INSIDE DIAMETER	65.05 MILLIMETERS MINIMUM AND 65.20 MILLIMETERS MAXIMUM
FIRST RIGHT STEP OUTSIDE DIAMETER	66.00 MILLIMETERS MINIMUM AND 66.20 MILLIMETERS MAXIMUM
FIRST RIGHT STEP WIDTH	2.75 MILLIMETERS MINIMUM AND 3.25 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM A314 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL	STEEL CORROSION RESISTING
OVERALL LENGTH	45.90 MILLIMETERS MINIMUM AND 46.00 MILLIMETERS MAXIMUM
OVERALL THICKNESS	45.90 MILLIMETERS MINIMUM AND 46.00 MILLIMETERS MAXIMUM
STYLE DESIGNATOR	STEPPED SPACER
SURFACE FINISH	1.6 MICROMETERS LEFT SIDE
SURFACE FINISH	1.6 MICROMETERS RIGHT SIDE
SURFACE FINISH	3.2 MICROMETERS BORE
SURFACE FINISH	3.2 MICROMETERS COUNTERBORE DIAMETER
SURFACE FINISH	3.2 MICROMETERS LARGEST OUTSIDE DIAMETER

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