4820-01-033-9666
Check Valve
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Official Item Classification
- Name
- Check Valve
- (NSN) National Stock Number
- 4820-01-033-9666
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 05487
- (FIIG) Federal Item Identification Guide
- A530B0
- Date
- 01/15/1977 (49 years ago)
automatic valve operation method, 170.0 fahrenheit single response maximum operating temp, bracket mounting facility, 2000.0 pounds per square inch single response maximum operating pressure, m578 recovery vehicle end item identification
Specs & Compatibility
170.0 fahrenheit single response
m578 recovery vehicle
automatic
bracket
2000.0 pounds per square inch single response
1.813 inches
hydraulic service: oil per spec mil-l-46167; fluids at 30 plus or minus2 centistokes kinematic viscosity (138sus) between plus 100 deg f and plus 150 deg f that are compatible with valve components will be used for test purposes; temp range minus 65 deg f to plus 170 deg f; proof pressure 3000 psi;burst pressure this valve shall withstand a burst pressure of 4500 psi without failure,rupture,or external leakage; flow 20 gpm; cracking pressure 5 plus or minus 2 psi; pressure drop is not to exceed 22 psi at 20 gpm; internal leakage is not to exceed 1cc/min at 2000 psi; no external leakage permissable; materials to be compatible with operating specifications
oil, hydraulic single response
straight thru
Regulatory Compliance
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0005487
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