MIL-HDBK 1028/6A
SYMBOL
COMPONENT DESCRIPTION
C3
V4 CONNECTOR.
1 IN. NPT.
M1
UTILITY AIR OUTPUT CONNECTOR. 100 SCFM AT 7 PSIG (MAX.)
PRESSURE DROP. 120 PSIG. 1/2 IN. MALE PT. BRASS AND
55 CONSTRUCTION.
M2
CONSOLE OUTPUT AIR LINE CONNECTOR.
3 IN. FLEXIBLE HOSE
CONNECTION POINT.
M3
AIR LUBRICATOR. 100 SCFM AT 125 PSIG. 11 OZ. METAL BOWL,
DIE CAST ZINC ALLOY BODY, FLEXIBLE PARTS ARE A BUNA-N OR
POLYURETHANE.
P1
45 PSIG OUTPUT PRESSURE PILOT (FOR V18). 1/4 IN. NPT GENERAL
PURPOSE AIR PRESSURE REGULATOR RELIEVING TYPE, ADJUSTABLE
SPRING LOADING, DIAPHRAGM TYPE, SAFE WORKING PRESSURE 200 PSIG
OR HIGHER, CAST METAL BODY.
P2
75 PSIG OUTPUT PRESSURE PILOT (FOR V18).
SAME AS P1.
O1
START CONTROL BLEED ORIFICE. 1/4 IN. NPT BRASS PIPE PLUG,
DRILLED ON CENTERLINE 0.10 IN.
G1
AIR MAIN PRESSURE GAUGE. 4 IN. DIAL. 0-200 PSIG PANEL
MOUNTED, BACK CONNECTED, 1/4 IN. NPT CONNECTION, POLYAMID OR
SS CASE, SAFETY GLASS LENS, ADJUSTABLE POINTER, WATERTIGHT
CASE.
G2
OUTPUT AIR PRESSURE GAUGE.
SAME AS G-1 EXCEPT 0-100 PSIG.
G3
START LOCKOUT PRESSURE ADJUSTMENT GAUGE 2-1/2 IN. DIAL.
0-200 PSIG, 1/4 IN. NPT BOTTOM CONNECTION, SS CASE, SAFETY
GLASS LENS, WATERTIGHT CASE.
G4
UTILITY AIR PRESSURE GAUGE 2-1/2 IN. DIAL 0-200 PSIG REAR
FLANGE. 1/4 IN. NPT BACK CONNECTION. SS CASE WITH SAFETY
GLASS LENS.
Figure 14 (Continued)
Aircraft Service Mechanical Symbols
25
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