MIL-PRF-87961 Hose And Hose Assemblies, Air Duct, Air Breathing, Oxygen SystemThis specification covers the requirements for hose and hose assemblies \(see 6.9\) which supply breathing oxygen to aircrews during the operation of high performance aircraft.

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MIL-PRF-87961B

6.10 Part or identifying number (PIN). The PIN to be used for the hoses acquired to this

specification are created as follows (see figures 1 through 5 and table II).

87961

-X

-XX

Prefix for military

Specification number

Dash number,

specification

hose type

hose length (inches)

TABLE II Cross reference

Hose type

New PIN (note)

Old PIN (note)

Type I

M87961-1-XX

M87961/1-XX

Type II

M87961-2-XX

M87961/2-XX

Type III

M87961-3-XX

M87961/3-XX

Note: -XX indicates hose length in inches

6.11 Supersession data. For supersession data see table III.

TABLE III. Supersession data

Superseding

Superseded

MIL-PRF-87961

MIL-H-87961

MIL-H-87961/1

MIL-H-87961

MIL-H-87961/2

MIL-H-87961

MIL-H-87961/3

6.12 Subject term (key word) listing.

Aircraft life support

6.13 Changes from previous issue. Marginal notations are not used in this revision to

identify changes with respect to the previous issue due to the extent of the changes.