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2-5.4 Separately Supplied Fittings - Cont'd.
Description:
Reducer, cam-locking type, 6-inch female by 4-inch male; aluminum 356-T6; MS 49000-21
I.
Reducer, Cam-Locking, 4-inch Female x 3-inch Male (19 units)
NSN 4730-00-951-3293
Working Pressure:
150 psig
Description:
Reducer, cam-locking type, 4-inch female by 3-inch male; aluminum 356-T6; MS 49000-1
m.
Reducer, Cam-Locking, 3-inch Female by 4-inch Male (12 units)
NSN 4730-00-951-3296
Working Pressure:
150 psig
Description:
Reducer, cam-locking type, 3-inch female by 4-inch male; aluminum 356-T6; MS 49000-9
2-5.5 Miscellaneous Information
a.
Flanges and Gaskets. Various valves and fittings in the TPT are flanged as shown in the preceding illustrations.
The standard dimensions of aluminum flanges used in the system and shown on Fig. 2-58A. Standard gasket
dimensions are shown on Fig. 2-58B. Flange gasket material is a cork and rubber composition per MIL C-6183,
Type OPTL, CL 1, Gr.B. It is important to note that with aluminum flanges a full-faced gasket must be used.
b.
Single Grooved Coupling Clamps. Single grooved malleable iron coupling clamps are used throughout the TPT
as noted except on the aluminum pipe system in the switching manifold (see para. 2-5.2b). The single grooved
clamps are compatible with double grooving. They fit into only the first groove of the coupled components. The
gasket is similar to that in the double grooved coupling, i.e., prelubricated, synthetic rubber, and a c-shaped
cross-section. The gasket is compressed when the clamp is closed. The single grooved coupling is shown on
Fig. 2-59.
6" single grooved coupling, NSN 4730-01-109-4413 (1522 units)
4" single grooved coupling, NSN
(42 units)
c.
Ground Rod Sets (54 units)
NSN
Ground rods are provided for each fuel loading point in the tanker-truck receipt manifold and fuel dispensing set. The
sets conform to MIL-W-R-550A.
Description:
Ground Rod, Brass, Self-Driving, Type III, Class B, 9 ft. long with 12 ft. cable, MIL-W-R-550A.
2-47
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