1. SCOPE
MIL-F-5577B
27 MAY 1959
SUPERSEDING
MIL-F-5577A(ASG)
10 APRIL 1957
MILITARY SPECIFICATION
FITTINGS, TANK, POWERPLANT FLUID, REMOVABLE,
GENERAL SPECIFICATION FOR
1.1 Scope. This specification covers gen-
eral requirement for fittings to be used on or
with removable powerplant fluid tanks, inter-
nal and external, to make a complete fitting in-
stallation.
1.2 Classification. The fittings shall be of
the following general types, classes, and styles,
to be furnished as specified by the procuring
activity.
Type I–Suitable for use with powerplant
fluids as specified in 3.4.
Type II—Suitable for use with power-
plant fluids as specified in 3.4.
Class A—Fully molded fittings of which
all nonmetallic parts are of molded syn-
thetic rubber. These fittings are for use
with self-sealing and non-self-sealing
cells.
Class B—Fabric flange fittings employing
a molded synthetic rubber or synthetic
rubber and fabric sealing surface and
rubberized fabric flanges. These fittings
are for use with non-self-sealing cells.
Class C-Metallic fittings including all
tank fittings fabricated from metal; and
attached to the fluid cell by bolts, screws,
cement, or a molding process; and using
“O” rings or gaskets to accomplish a seal.
These fittings are for use with self-seal-
ing and non-self-sealing cells.
Style l—Fittings suitable for installation
by the service field activities.
Style 2—Fittings suitable for installation
by tank manufacturers.
2. APPLICABLE DOCUMENTS
2.1 The following documents, of the issue in
effect on date of invitation for bids, form a
part of this specification:
512301-59
SPECIFICATIONS
FEDERAL
VV-M-561—Gasoline, Automotive/Motor
Fuel M
NN-P-515-Plywood, Container Grade
PPP-B-566-Boxes, Folding, Paperboard
PPP-B-585—Boxes, Wood, Wirebound
PPP-B-591—Boxes, Fiberboard, Wood-
Cleated
PPP-B-601—Boxes, Wood, Cleated-Ply-
wood
PPP-B-621-Boxes, Wood, Nailed and
Lock-Corner
PPP-B-636-Boxes, Fiber
PPP-B-676-Boxes,
Set-Up,
Paper-
board
Milit
ARY
JAN-P-100-Packaging and Packing for
Overseas Shipment-General Specifica-
tion
MIL-P-116-Preservation, Methods of
MIL-B-121-Barrier Material, Grease-
proofed, Flexible (Waterproofed)
MIL-B-130-Barrier-Material, Paper,
Noncorrosive
MIL-B-138-Boxes, Wood, Fiberboard-
Lined for Overseas Shipment (for
Weight of Contents not Exceeding 500
Pounds)
MIL-A-148-Aluminmum Foil
MIL-G-3056-Gasoline, Automotive,
Combat
MIL-S-3136-Standard Test Fluids, Hy-
drocarbon and Iso-Octane
MIL-P-4185-Paper, Tissue, Wrapping
MIL-B-4229-Boxes; Paperboard, Metal-
Stayed
MIL-D-5028-Drawings and Data Lists:
Preparation of Manufacturers
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