1-321-802-5889

NSN 4820-00-288-7836

Velocity Fuse

About this product

0.500 inches 2nd end pipe size accommodated, poppet flow control device, inside spring bonnet type, bonnet attachment method: threaded.

Manufacturer part number K1-4900-1000250PCV26 for national stock number 4820002887836.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-288-7836.

  • MPN or Model

    K1-4900-1000250PCV26

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.500 inches 2nd end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Threaded
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    274.0 pounds per hour
  • Renewable Seat Ring Type
    Threaded
  • Maximum Operating Temp
    450.0 degrees fahrenheit single response
  • Connection Style
    Plain, optional en (pipe) 1st end
  • Valve Operation Method
    Automatic or manual
  • Connection Type
    Threaded internal pipe 1st end
  • Features Provided
    Valve stem lock shield and bonnet packing and pressure tight outlet side
  • Adjustable Pressure Range
    +76.0/+175.0 pounds per square inch
  • Maximum Operating Pressure
    250.0 pounds per square inch single response
  • Thread Size
    0.500 inches 2nd end
  • Material
    Steel stem
  • Material Specification
    Qq-c-390, alloyd4/d/ federal specification single material response body
  • Media For Which Designed
    Steam single response
  • Style Designator
    Angle
  • Thread Series Designator
    Npt 1st end
  • Reference Number Differentiating Characteristics
    As differentiated by valve size and relief pressure range
Safety Relief Valve

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Mechanic Bill explains Velocity Fuse

Pricing and Availability

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NSN 4820002887836

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
K1-4900-1000250PCV26 Naval Ship Systems Command
214-4900-799264PCV1153 Naval Sea Systems Command
214-4900-799264REV3PCV1153 Naval Sea Systems Command
214-4900-799268PCV1039 Naval Sea Systems Command
222-4900-232701PCV668 Naval Sea Systems Command
222-4900-232701PCV688 Naval Sea Systems Command
313-4900-223400PCV624 Naval Sea Systems Command
313-4900-223400PCV634 Naval Sea Systems Command
313-4900-233405ALT11PCV1140 Naval Sea Systems Command
313-4900-233405PCV1140 Naval Sea Systems Command
319-4900-1188487ALT1PCV912 Naval Sea Systems Command
319-4900-1188487PCV912 Naval Sea Systems Command
340-4900-1000937PCV13 Naval Sea Systems Command
389588ALT6PCV785 Naval Sea Systems Command
271-4900-957265ALT2PCV876 Naval Sea Systems Command
271-4900-957265PCV870 Naval Sea Systems Command
271-4900-958181ALTAPCV668 Naval Sea Systems Command
271-4900-958181ALTAPCV688 Naval Sea Systems Command
271-4900-958181PCV1047 Naval Sea Systems Command
271-4900-958181PCV1062 Naval Sea Systems Command
271-4900-958181PCV668 Naval Sea Systems Command
271-4900-958581PCV1039 Naval Sea Systems Command
271-4900-958581PCV1062 Naval Sea Systems Command
271-4900-958581PCV688 Naval Sea Systems Command
389588ALT6PCV876 Naval Sea Systems Command
389588PCV785 Naval Sea Systems Command
389588PCV876 Naval Sea Systems Command
389609ALT7PCV1153 Naval Sea Systems Command
389609PCV1153 Naval Sea Systems Command
389669ALT8PCV1039 Naval Sea Systems Command
389669ALT8PCV1047 Naval Sea Systems Command
389669ALT8PCV1062 Naval Sea Systems Command
389669PCV1039 Naval Sea Systems Command
389669PCV1047 Naval Sea Systems Command
389669PCV1062 Naval Sea Systems Command
571-3801-1302533PCV12 Naval Sea Systems Command
571-3801-1302533REVAPCV12 Naval Sea Systems Command
571-3801-1302723PCV5 Naval Sea Systems Command
571-3801-1302723REVBPCV5 Naval Sea Systems Command
533115ALT27MODIFICATION5PCV838 Naval Sea Systems Command
533115ALT27MODIFICATION5PCV871 Naval Sea Systems Command
533115PCV838 Naval Sea Systems Command
533115PCV871 Naval Sea Systems Command
533131ALT8PCV1015 Naval Sea Systems Command
533131PCV1015 Naval Sea Systems Command
571-4900-1302763PCV21 Naval Sea Systems Command
571-4900-1302763REVAPCV21 Naval Sea Systems Command
575-4900-1442961PCV17 Naval Sea Systems Command
575-4900-1442961REVBPCV17 Naval Sea Systems Command
3664-71REVAPCV12 Electric Boat Corporation
3664-77REVBPCV5 Electric Boat Corporation
3676-12REVAPCV21 Electric Boat Corporation
3776-10PCV17 Electric Boat Corporation
3776-10REVBPCV17 Electric Boat Corporation
214-4900-799251PCV668 Naval Ship Systems Command
214-4900-799251REVBPCV668 Naval Ship Systems Command
214-4900-799254PCV876 Naval Ship Systems Command
389588ALT6PCV876 Naval Ship Systems Command
389588PCV785 Naval Ship Systems Command
389588PCV876 Naval Ship Systems Command
389609ALT7PCV1153 Naval Ship Systems Command
389609PCV1153 Naval Ship Systems Command
389669ALT8PCV1039 Naval Ship Systems Command
389669ALT8PCV1047 Naval Ship Systems Command
389669ALT8PCV1062 Naval Ship Systems Command
389669PCV1039 Naval Ship Systems Command
389669PCV1047 Naval Ship Systems Command
389669PCV1062 Naval Ship Systems Command
533115ALT27M0DIFICATI0N5PCV838 Naval Ship Systems Command
K1-4900-1000248ALT1PCV21 Naval Ship Systems Command
K1-4900-1000248ALT1PCV28 Naval Ship Systems Command
K1-4900-1000248PCV21 Naval Ship Systems Command
K1-4900-1000248PCV28 Naval Ship Systems Command
K1-4900-1000250ALT8PCV6 Naval Ship Systems Command
K1-4900-1000252ALT6PCV3 Naval Ship Systems Command
K1-4900-1000254ALT7PCV17 Naval Ship Systems Command
K1-4900-1000254PCV17 Naval Ship Systems Command
44-1-2-76-175 Lunkenheimer Co
222-4900-232701PCV688 Naval Ship Systems Command
FIG44-1-2 Lunkenheimer Co
533115ALT27M0DIFICATI0N5PCV871 Naval Ship Systems Command
533115PCV838 Naval Ship Systems Command
533115PCV871 Naval Ship Systems Command
533131ALT8PCV1015 Naval Ship Systems Command
533131PCV1015 Naval Ship Systems Command
571-3801-1302533PCV12 Naval Ship Systems Command
571-3801-1302533REVAPCV12 Naval Ship Systems Command
571-3801-1302723PCV5 Naval Ship Systems Command
571-3801-1302723REVBPCV5 Naval Ship Systems Command
571-4900-1302763PCV21 Naval Ship Systems Command
571-4900-1302763REVAPCV21 Naval Ship Systems Command
575-4900-1442961PCV17 Naval Ship Systems Command
575-4900-1442961REVBPCV17 Naval Ship Systems Command
214-4900-799254PC876 Naval Ship Systems Command
214-4900-799264PCV1153 Naval Ship Systems Command
214-4900-799264REV3PCV1153 Naval Ship Systems Command
214-4900-799268PCV1039 Naval Ship Systems Command
222-4900-232701PCV668 Naval Ship Systems Command
271-4900-958181ALTAPCV688 Naval Ship Systems Command
271-4900-958181PCV1047 Naval Ship Systems Command
271-4900-958181PCV1062 Naval Ship Systems Command
271-4900-958181PCV668 Naval Ship Systems Command
271-4900-958581PCV1039 Naval Ship Systems Command
271-4900-958581PCV1062 Naval Ship Systems Command
271-4900-958581PCV688 Naval Ship Systems Command
271-4900-957265ALT2PCV876 Naval Ship Systems Command
271-4900-957265PCV870 Naval Ship Systems Command
271-4900-958181ALTAPCV668 Naval Ship Systems Command
313-4900-233405ALT11PCV1140 Naval Ship Systems Command
313-4900-233405PCV1140 Naval Ship Systems Command
313-4900-223400PCV624 Naval Ship Systems Command
313-4900-223400PCV634 Naval Ship Systems Command
319-4900-1188487ALT1PCV912 Naval Ship Systems Command
319-4900-1188487PCV912 Naval Ship Systems Command
340-4900-1000937PCV13 Naval Ship Systems Command
389588ALT6PCV785 Naval Ship Systems Command
2076-308PCV668 Electric Boat Corporation
2076-37ALT7PCV1153 Electric Boat Corporation
2076-97ALT8PCV1039 Electric Boat Corporation
2076-97ALT8PCV1047 Electric Boat Corporation
2076-97ALT8PCV1062 Electric Boat Corporation
2476-06ALT15M0DIFICATI0N4PCV624 Electric Boat Corporation
2476-06ALT15M0DIFICATI0N4PCV634 Electric Boat Corporation
2476-16ALT27M0DIFICATI0N5PCV838 Electric Boat Corporation
2476-16ALT27M0DIFICATI0N5PCV871 Electric Boat Corporation
2476-32ALT8PCV1015 Electric Boat Corporation
3076-08PCV21 Electric Boat Corporation
3076-08PCV28 Electric Boat Corporation
3376-12-1PCV912 Electric Boat Corporation
3076-10PCV26 Electric Boat Corporation
3076-12PCV3 Electric Boat Corporation
3076-14PCV17 Electric Boat Corporation
2076-16ALT6PCV785 Electric Boat Corporation
2076-16ALT6PCV876 Electric Boat Corporation
2476-37ALT11PC1140 Electric Boat Corporation
Stock Check
Availability for this item was last checked on 06/18/21. The quantities and conditions available at the time were:
  • NS: 212
  • NE: 1