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

Poppet Drain Cock

Model / MPN: 575B-6AS | NSN: 4820-00-203-6321
ITAR Registered seal

An item designed to drain fluids from fuel systems, tanks, filters, or similar items. It has a mounting end, a free flowing end, and a quick-acting nonmetallic sealed closure, usually spring loaded, that holds it in an "off" position. It requires no lubrication other than from the fluid being drained.

Product Details
NATO Stock Number
4820-00-203-6321
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Connection Style
Plain (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
18 1st end
Thread Size
0.562 inches 1st end
Style Designator
Straight thru
Supplementary Features
Appl to acft, type f-5, hh-52, h-34
Thread Series Designator
Unf 1st end
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC18T021A Cock, Poppet Drain 251 EA 06/11/2018
SPE7MC19T160P Cock, Poppet Drain 272 EA 09/03/2019
SPE7MC20T2584 Cock, Poppet Drain 144 EA 12/13/2019
SPE7MC20T8491 Cock, Poppet Drain 4 EA 04/27/2020

Pricing and Availability

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575B-6AS Cross Reference
  • MS29528-6
  • MIL-V-25023
  • CCA-4350
  • 2D100B
  • 71D-6
  • 49F9798-53
  • 49F9798-53
  • 83501-2
  • 159647
  • S1630-63045
  • 2D100A
  • BJ1000AS2
  • 49F9798-53