Tf-33-p-7 (c-141a/b) Aircraft Engine Parts

(Page 4) End item NSN parts page 4 of 51
Part Number
NSN
NIIN
028-07407K O-ring
001675121
03-001-0250 Self-aligning Plain Bearing
005285336
03-001-0375 Self-aligning Plain Bearing
010308773
03-001-04 Self-aligning Plain Bearing
005285336
03-403-06 Self-aligning Plain Bearing
010308773
03-703-06 Self-aligning Plain Bearing
010308773
03-825-04 Self-aligning Plain Bearing
010069515
030906N0304C O-ring
011543998
031893 O-ring
002638033
0334-7377 O-ring
002920578
035022 O-ring
002881976
03632 O-ring
005856632
038072-00-40 Fluid Filter Element
002033593
038072-40 Fluid Filter Element
002033593
038072-44 Fluid Filter Element
002033593
038082 Fluid Filter Element
002773274
038498-31 Fluid Filter Element
010334594
03A070-5 Pin-rivet Collar
000764071
04056-0804 Tube Reducer
008897684
0407-330 Machine Screw
009399189
Page: 4 ...

Engine, Aircraft, Tf-33-p-7 (c-141a/b)

Picture of Tf-33-p-7 (c-141a/b)  Aircraft Engine

The Pratt & Whitney JT3D is an early turbofan aircraft engine derived from the Pratt & Whitney JT3C turbojet. It was first run in 1958 and was first flown in 1959 under a B-45 Tornado test aircraft. Over 8,000 JT3Ds were produced between 1959 and 1985. Most JT3D engines still in service today are used on military aircraft, where the engine is referred to by its USAF designation of TF33.

Aware of the competition from the Rolls-Royce Conway turbofan, Pratt&Whitney decided to develop the JT3D turbofan from the JT3C turbojet for later deliveries of the Boeing 707 and the Douglas DC-8, then nearing entry into service. A 2-stage fan replaced the first 3 stages of the 9-stage JT3C LP compressor. On the LP turbine, the second stage was enlarged and a third stage added.

Unlike GE with the CJ805-23, Pratt & Whitney had not undertaken any transonic fan research prior to designing the JT3D, so they were unable to incorporate a single stage unit into the specification. Instead P&W designed a 2-stage unit based on some research they had done to support the J91 nuclear turbojet.

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