United States Air Force Museum, Wright-Patterson Ohio
Boeing
NKC-135A
'Stratotanker'
SN: 55-3123
Exhibit photos
Description
Notes:
Test configured KC-135A.
  Manufacturer:
Boeing
  Base model:
C-135
  Designation:
NKC-135
  Version:
A
  Nickname:
Stratotanker
  Designation System:
U.S. Air Force
  Designation Period:
1925-1962
  Basic role:
Transport
  Modified Mission:
Tanker
  Status:
Special Test (Permanent)
  Serial/Bureau Number:
55-3123
  Location:
United States Air Force Museum, Wright-Patterson Ohio
Specifications
  Length:
136' 3"
41.5 m
  Height:
41' 8"
12.7 m
  Wingspan:
130' 10'
39.6 m
  Gross Weight:
300,000 lb
136,054 kg
Propulsion
  No. of Engines:
4
  Powerplant:
Pratt & Whitney J57
  Thrust (each):
13,750 lb
6,235 kg
Performance
  Cruise Speed:
512 mph
824 km/h
445 kt
  Max Speed:
606 mph
975 km/h
527 kt
  Ceiling:
50,000 ft
15,239 m