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National Stock Number:
4820-01-341-4271
Federal Supply Class:
4820
National Item Identification Number:
013414271
Description:
VALVE,REGULATING,FLUID PRESSURE
Detail:
A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.
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Manufacturer Information:
| 280977-0004 | 99657 | MAROTTA CONTROLS INC | | 280977-0004L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 280977-0006L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 280977-0006 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY | | END CONNECTION QUANTITY | 2 | | MATERIAL | NICKEL ALLOY 400 OR | | NICKEL ALLOY R-405 BODY | | TEMP RATING | 165.0 DEG FAHRENHEIT MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | FLOW CONTROL DEVICE | POPPET | | FLOW CONTROL DEVICE MATERIAL | NICKEL-COPPER ALLOY, QQ-N-281, CLASS A OR | | NICKEL-COPPER ALLOY, QQ-N-281, CLASS B | | FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE | | FIRST END STYLE DESIGNATOR | SOCKET | | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL | | SECOND END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES | | MEDIA FOR WHICH DESIGNED | AIR OR | | GAS | | VALVE LOADING METHOD | SPRING | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99657 | | DESIGN CONTROL REFERENCE | 280977-0006 |
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