FF-H-121 Revision D:1974
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Hardware, Builder\'s; Door Closers (S/S by A-A-1926)
15-07-1974
15-01-1988
Specifies mechanical devices for automatically closing hinged or pivoted doors using a combination of metal springs and liquid or air controlled checks
| DevelopmentNote |
D NOTICE 1 - Notice of Cancellation/Superseded by A A 1926. (08/2004)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
US Military Specs/Standards/Handbooks
|
| Status |
Superseded
|
| SupersededBy |
This specification covers mechanical devices for automatically closing and controlling hinged or pivoted doors by means of a suitable combination of metal springs and liquid or air controlled checks.
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