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Data updated: 09 Jan 2026.
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Document ID:
MIL-D-85520
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Overview
Title:
Design and Installation of On Board Oxygen Generating Systems in Aircraft, General Specification for
Scope:
This specification covers the general requirements for the design and installation of on board oxygen generating systems (OBOGS) in military aircraft.
Status:
Active
Document Date:
05-NOV-2019
Next Review Due:
02-NOV-2029
FSC/Area:
1660
Doc Category:
Detail Specification
Responsibilities
Lead Standardization Activity:
71
Air Force Sustainment Center - Oklahoma City
Preparing Activity:
AS
Naval Air Systems Command
Coordination:
Limited
Navy Custodian:
AS
Naval Air Systems Command
Amendments to military specifications or specification sheets issued after August 1, 2003 are incorporated in the modified document.
Revision History
Click on column headings for a description of column content.
Media
Document Part Description
Dist Stmt
Document Date
Pages
Size
Notice 1 - Validation
A
05-NOV-2019
1
1.9 KB
Amendment 1
A
16-JAN-1991
9
309.3 KB
Base Document
A
10-MAR-1983
23
1097.4 KB
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Defense Standardization Program
WARNING: UNAUTHORIZED ACCESS TO THIS UNITED STATES GOVERNMENT COMPUTER SYSTEM AND SOFTWARE IS PROHIBITED BY PUBLIC LAW 99-474 (THE COMPUTER FRAUD AND ABUSE ACT OF 1986) AND CAN RESULT IN ADMINISTRATIVE, DISCIPLINARY OR CRIMINAL PROCEEDINGS.