Secure Ordering: +1 (757) 528-8028

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

Hydraulic System Bleeder Valve

NSN: 4820-00-200-0063 | Model: AN6204-2

A metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes spring loaded or automatic type air pressure relief valves, and bolt, fluid passage.

NSN Properties and Flags
NATO Stock Number
Special Features
Steel, spec data, mil, mil-s-6050, type designator, a/a; cadmium-plated finish; dim. Data, 1-1/16 in. Lg over-all, 3/8 in. Across hex flats, 7/16 in. Lg hex, 5/8 in. From valve end to hex shoulder; threaded type hose connector, thd data, 10-32, nf, rh, class 2b thd or class 2 fit, 5/16 in. Lg; valve seat end data, 0.190 in. Largest od of taper, 0.095 in. Lg taper, 0.220 in. Lg excl thd portion, 0.173 in. From center of inlet hole to valve end, 0.070 in. Diameter inlet hole, external thd data, 1/4-28, unf or nf, rh, class 3a thd or class 3 fit, 11/32 in. Lg; drain hole data, 0.0781 in. Dia, 0.922 in. Lg

Inventory Check

The last inventory check on this NSN was done on 01/14/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 53
  • New: 621
  • As Removed: 1
  • Serviceable: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Email Address:
Phone Number:
Your name:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping

NSN 4820-00-200-0063 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • AN6204-2
  • MIL-F-5509
Cage Codes:
  • Aeronautical Standards Group (CAGE 88044)
  • Military Specifications (CAGE 81349)
  • 4820-00-200-0063 replaces 4820-00-483-8411
Schedule B & Trade:
  • Schedule B: 8481809050 (NAICS 332911)

    Other taps, cocks, valves, etc., nesoi

  • SITC: 74780

    Taps, cocks, valves and similar appliances, n.E.S.

  • End Use: 21180

    Industrial machines, other


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


A - Item does not contain precious metal.


- Represents items with no adp components


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    127220 - Pressure reg/red/relief valves noi

  • WCC:

    671 - Aircraft parts, to include test/tool sets and equipment (other than armament systems)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LCL:

    P - 77.5

  • LTL:

    P - 77.5

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    Medium demand velocity items (consumables)

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $20.66 to $34.43..
Does NSN 4820-00-200-0063 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Spain, Argentina, Belgium, Canada, Republic Of Korea, Greece, and Turkey
What is the NIIN of NSN 4820-00-200-0063?
002000063 or 00-200-0063
Does NSN 4820-00-200-0063 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-200-0063?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963