| Pressure | TBD |
| Suit mass (1g) | TBD |
| Life support (primary) | Not publicly documented |
| Life support (backup) | — |
| EVA duration | N/A |
| Program | Apollo R&D |
| Agency | NASA |
| Manufacturer | ILC for Hamilton Standard |
| First use | 1964 |
| Status | Experimental — never flown |
| Donning / entry | Not publicly documented |
Hamilton Standard system integration study
Apollo suit competition entry
Not publicly documented
"Part of the formal Apollo suit competition process between ILC, Hamilton Standard and Litton"
Demonstrates the competitive development process that led to A7L selection
"Established B.F. Goodrich as the lead US full-pressure suit contractor before Mercury existed"
"Parallel development track alongside Model O testing different mobility solutions"
"Naval and NASA pressure suit research tracks cross-pollinated significantly in this era"
