| 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 Industries |
| First use | 1963 |
| Status | Experimental — never flown |
| Donning / entry | Not publicly documented |
Early multi-layer construction concept for lunar EVA
Early Apollo lunar suit architecture study
Not publicly documented
"Apollo suit competition produced many parallel architecture studies before A7L was selected"
Part of the ILC Industries design lineage that ultimately won the Apollo suit contract
"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"
