Ec-18b C-18a Aircraft Parts

(Page 21) End item NSN parts page 21 of 23
Part Number
NSN
NIIN
182-106 Hexagon Castellated Plain Nut
005826058
182490 O-ring
002500231
18257-110 Machine Bolt
007543049
18280 Tube Elbow
005413168
18337 Radio Frequency Coil
000804678
1853-0422 Transistor
010479231
1854-0060 Transistor
009305325
1854-0087 Transistor
008247567
1854-0094 Transistor
000623133
1854-0096 Transistor
008247567
1854-0302 Transistor
008247567
185776-2 Tip Jack
007295559
1866-10 O-ring
002913077
1866-1346 ITEM 32 Packing Retainer
001715042
188222-1 Electrical Receptacle Connector
008388470
189561 Machine Screw
001509212
18N-03 Fixed Attenuator
004554487
190772 Machine Bolt
007543049
19183 Transistor
008280721
192-393 Fixed Attenuator
004554487
Page: 21

Aircraft, C-18a, Ec-18b

Picture of Ec-18b  C-18a Aircraft

The Boeing C-137 Stratoliner was a VIP transport aircraft derived from the Boeing 707 jet airliner used by the United States Air Force. Other nations also bought both new and used 707s for military service, primarily as VIP or tanker transports. In addition, the 707 served as the basis for several specialized versions, such as the E-3 Sentry AWACS aircraft. The designation C-18 covers several later variants based on the 707-320B/C series.

USAF procurement of the Boeing 707 was very limited, amounting to three Model 707-153s designated VC-137A. When delivered in 1959 these had four 13,500 lb (6123 kg) dry thrust Pratt & Whitney J57 (JT3C6) turbojets; when subsequently re-engined with 18,000 lbf (80.1 kN) dry thrust TF33-P-5 (JT3D) turbofans they were redesignated VC-137B. Only one other variant served with the USAF: this was the VC-137C Air Force One presidential transport, the two examples of which were Model 707-320B Intercontinentals with specialized interior furnishings and advanced communications equipment. Two further non-presidential C-137C aircraft were later added.

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