scope:

This military standard is approved for use by all departments and agencies of the Department of Defense. Selection for all new engineering and design applications and for repetitive use shall be made from this document.

1. MULTIPLE MARKING OF BAR STOCK IS PERMISSIBLE PROVIDED POSITIVE IDENTIFICATION IS SHOWN.

PARTS SHALL BE MARKED BEFORE THREADING. DASH NUMBERS MAY APPEAR ON ADJACENT FLATS.

2. MATERIAL: CORROSION RESISTANT STEEL AMS5639.

3. CLEANING: FINISHED PARTS SHALL BE DECREASED AND IMMERSED FOR NOT LESS THAN 20 MINUTES IN A SOLUTION OF NITRIC ACID. (SP, Ca 1.42) AND 9 VOLUMES OF WATER AT ROOM TEMPERATURE.

[B circled]4. SURFACE TEXTURE: ANSI B46.1-1962. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125 MICROINCHES EXCEPT MAX FACES.

5. BREAK SHARP EDGES .003-.015 UNLESS OTHERWISE SPECIFIED.

6. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS ±.010, ANGULAR DIMENSIONS ±5°.

7. DO NOT USE UNASSIGNED PART NUMBERS.

AS & AMS ARE SOCIETY OF AUTOMOTIVE ENGINEERS, INC. PUBLICATIONS.

THIS STANDARD WAS DEVELOPED COOPERATIVELY WITH THE MILITARY SERVICES BY THE SAE AEROSPACE PROPULSION DIVISION.