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Worldwide distributor of NSN parts and consumables located in the USA.

Tube To Boss Elbow

Model / MPN: 9MIL-F-18866 | NSN: 4730-00-762-2120
ITAR Registered seal

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inle (s) . It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Product Details
NATO Stock Number
4730-00-762-2120
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a all ends
Maximum Operating Temp
250.0 degrees fahrenheit single response
End Application
23n ship, ohio class ssn (trident)
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flared (tube) 1st end
Leg Length
1.062 inches 1st end
Leg Length
1.250 inches 2nd end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Stainless steel
Material Specification
66, 300 series federal standard single material response
Media For Which Designed
Air single response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 1 or 2 federal specification single treatment response
Thread Series Designator
Unf all ends
Furnished Items And Quantity
1 tube coupling nut w/sleeve and 1 preformed packing
Specification Data
81349-mil-f-18866 government specification and 96906-ms51527 government standard
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M215T4794 Elbow, Tube To Boss 1693 EA 09/14/2015
SPE7M215T5141 Elbow, Tube To Boss 2470 EA 10/13/2015
SPE7M216Q0059 Elbow, Tube To Boss 3444 EA 12/25/2015
SPE7M217T1329 Elbow, Tube To Boss 3014 EA 02/08/2017
SPE7M217T4444 Elbow, Tube To Boss 3067 EA 08/28/2017
SPE7M218T1782 Elbow, Tube To Boss 3500 EA 02/15/2018

Pricing and Availability

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9MIL-F-18866 Cross Reference
  • 312504-49
  • J522-6SS
  • MS51527A6S
  • MIL-F-18866
  • 6C5X-SS
  • 422225-3
  • 422226-3
  • 2503-6-6C
  • 6C5BXSS
  • 71910259002
  • A3400-6SS
  • 2P7214
  • 6MB-6MJ90
  • 6C50XSS
  • 6C50XSS
  • 6C5X-SS
  • MS51527B6S
  • 44300-517
  • 44300-517
  • 6C50X-SS
  • 2267548-5
  • 6C50XSS
  • 6C5BXSS
  • 2503-6-6C
  • 6C5BXSS