MIL-DTL-9479E (USAF)
SOCIETY OF AUTOMOTIVE ENGINEERS (SAE)
SAE AMS 2470 Anodic Treatments of Aluminum Alloys, Chromic Acid Process
(DOD Adopted)
SAE AMS 2475 Protective Treatments, Magnesium Alloys (DOD Adopted)
SAE AMS 2759 Heat Treatment of Steel Parts, General Requirements (DOD
Adopted)
(Application for copies should be addressed to the Society of Automotive Engineers, 400
Commonwealth Dr., Warrendale, Pennsylvania 15096-0001)
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
ASTM B633
Zinc on Iron and Steel, Electrodeposited, Coatings of (DOD
Adopted)
ASTM B597
Heat Treatment of Aluminum Alloys (DOD Adopted)
(Application for copies should be addressed to the American Society for Testing and
Materials, 1916 Race Street, Philadelphia Pennsylvania 19103.)
2.4 Order of precedence. In the event of a conflict between the text of this document and the
references cited herein (except for related associated specifications or specification sheets), the
text of this document takes precedence. Nothing in this document, however, supersedes
applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in
accordance with 4.4.
3.2 Design.
3.2.1 Seat assembly. The seat assembly shall provide adequate support and retention of the
occupant's head, neck body, arms, and legs during emergency operation; shall be fully suited to
normal operational use; and shall comfortably accommodate variations in anthropometric
dimensions of 99% of crew member sizes (see 4.4.1 a, 4.5.1, 6.4).
3.2.1.1 Vertical adjustment. The seat assembly shall be provided with a 5 inch vertical
adjustment. The seat adjustment shall be accomplished by powered movement of the entire
ejectable portion of the seat system, including the rocket catapult as a single unit (see 4.5.2).
3.2.1.2 Vertical adjustment control. The vertical adjustment control shall be located on the right-
hand side of the seat bucket and shall be easily accessible to the seat occupant. A momentary-ON
three-position center-OFF type switch shall be used. The switch shall be positioned so that the
direction of switch actuation corresponds with the direction of seat movement (see 4.5.2).
3.2.2. Ejection Position. The ejection seat system shall be designed to permit ejection from any
position within the range of vertical seat adjustment (see 4.4.1 a, 4.5.1).
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