Command (aavc-7a1) Assault Amphibious Vehicle Parts

(Page 21) End item NSN parts page 21 of 27
Part Number
NSN
NIIN
2265134-8 Tube Cap
010442446
228927PC55 Pipe Plug
006400279
23-S-187-1750 Spring Pin
006164260
2300-79051 O-ring
005421398
230885 Annular Ball Bearing
001427005
231-588-Z Grooved Clamp Coupling
011130055
2310273 Headed Straight Pin
008119110
23256R1 Pipe To Tube Straight Adapter
008421766
23479 Linear Actuating Cylinder Piston
013791997
23479-2 Linear Actuating Cylinder Piston
013791997
23503779 Engine Piston Assembly Parts Kit
013703665
23503811 Cylinder Sleeve And Piston Assem
012300203
23504732 Engine Crankshaft
013672053
23512452 Engine Poppet Valve Rocker Cover
014423420
2377-00 Twelve Ch Slip Ring
012589638
238483 Tapered Roller Bearing Cup
008473734
238998R91 Thermal Flasher
004006212
24194-000 Composition Fixed Resistor
001411176
242-6 Nonmetallic Hose
009304514
24204-RAP Rotary Pump
012084343
Page: 21

Assault Amphibious Vehicle, Command (aavc-7a1)

Picture of Command (aavc-7a1) Assault Amphibious Vehicle

The Assault Amphibious Vehicle

The AAV-P7/A1 is the current amphibious troop transport of the United States Marine Corps. It is used by U.S. Marine Corps Assault Amphibian Battalions to land the surface assault elements of the landing force and their equipment in a single lift from assault shipping during amphibious operations to inland objectives and to conduct mechanized operations and related combat support in subsequent mechanized operations ashore. It is also operated by other forces. Marines call them "amtracks," a shortening of their original designation, "amphibious tractor."

The LVTP-7 was first introduced in 1972 as a replacement for the LVTP-5. In 1982, FMC was contracted to conduct the LVTP-7 Service Life Extension Program, which converted the LVT-7 vehicles to the improved AAV-7A1 vehicle by adding an improved engine, transmission, and weapons system and improving the overall maintainability of the vehicle. The Cummins VT400 diesel engine replaced the GM 8V53T, and this was driven through FMC's HS-400-3A1 transmission. The hydraulic traverse and elevation of the weapon station was replaced by electric motors, which eliminated the danger from hydraulic fluid fires. The suspension and shock absorbers were strengthened as well. The fuel tank was made safer, and a fuel-burning smoke generator system was added. Eight smoke grenade launchers were also placed around the armament station. The headlight clusters were housed in a square recess instead of the earlier round type. The driver was provided with an improved instrument panel and a night vision device, and a new ventilation system was installed. These upgraded vehicles were originally called LVT-7A1, but the Marine Corps renamed the LVTP-7A1 to AAV-7A1 in 1984.

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