NSN 4820-01-061-6539 MILV20065A, MIL-V-20065A, 40321
Product Details | FLUID PRESSURE REGULATING VALVE
4820-01-061-6539 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.20248100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: MILV20065A, MIL-V-20065A, 40321, 40321003, 40321-003 , 72296, 4820-01-061-6539, 01-061-6539, 4820010616539, 010616539
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 26 JUN 1978 | 01-061-6539 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
Drawings & Photos | NSN 4820-01-061-6539
Demand History | NSN 4820-01-061-6539
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 40321-003 | 2025-10-282 | 1 | DIBBS |
| 40321-003 | 2022-11-317 | 1 | DIBBS |
| 40321-003 | 2019-03-66 | 1 | DIBBS |
| 4820-01-061-6539 | 2016-02-48 | 3 | DIBBS |
| 4820-01-061-6539 | 2016-02-35 | 3 | DIBBS |
| 4820-01-061-6539 | 2013-11-320 | 2 | DIBBS |
| 4820-01-061-6539 | 2013-10-304 | 2 | DIBBS |
| 4820-01-061-6539 | 2012-11-325 | 1 | DIBBS |
| 40321 | 2012-05-136 | 6 | |
| 4820-01-061-6539 | 2011-12-361 | 1 | DIBBS |
| 40321 | 2011-08-237 | 3 |
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Technical Data | NSN 4820-01-061-6539
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | STEEL, MIL-S-15083, GRADE B |
| SEAT MATERIAL | NICKEL COPPER ALLOY, QQ-N-288, COMP A |
| STEM MATERIAL | NICKEL-COPPER ALLOY, QQ-N-281, CLASS A |
| PACKING MATERIAL | RUBBER, BUNA-N |
| FLOW CONTROL DEVICE | DISK |
| FLOW CONTROL DEVICE MATERIAL | NICKEL-COPPER ALLOY, QQ-N-281, CLASS A |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | RECESSED FLANGE |
| FIRST END STYLE DESIGNATOR | G9 RECESSED |
| FIRST END RECESS DIAMETER | 2.000 INCHES NOMINAL |
| FIRST END RECESS DEPTH | 0.250 INCHES NOMINAL |
| FIRST END FLANGE SHAPE STYLE | 3 ROUND |
| FIRST END BOLT HOLE QUANTITY | 4 |
| FIRST END FLANGE OUTSIDE DIAMETER | 4.880 INCHES NOMINAL |
| FIRST END FLANGE THICKNESS | 0.250 INCHES NOMINAL |
| FIRST END BOLT HOLE DIAMETER | 0.750 INCHES NOMINAL |
| FIRST END BOLT CIRCLE DIAMETER | 3.500 INCHES NOMINAL |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END CONNECTION TYPE | RAISED FACE FLANGE |
| SECOND END STYLE DESIGNATOR | G5 RAISED |
| SECOND END RAISED FACE HEIGHT | 0.060 INCHES NOMINAL |
| SECOND END RAISED FACE DIAMETER | 2.000 INCHES NOMINAL |
| SECOND END FLANGE SHAPE STYLE | 3 ROUND |
| SECOND END BOLT HOLE QUANTITY | 4 |
| SECOND END FLANGE OUTSIDE DIAMETER | 4.250 INCHES NOMINAL |
| SECOND END FLANGE THICKNESS | 0.060 INCHES NOMINAL |
| SECOND END BOLT HOLE DIAMETER | 0.620 INCHES NOMINAL |
| SECOND END BOLT CIRCLE DIAMETER | 3.120 INCHES NOMINAL |
| BODY STYLE | A43 STRAIGHT THRU |
| FACE TO FACE DISTANCE | 9.438 INCHES NOMINAL |
| MEDIA FOR WHICH DESIGNED | WATER |
| RENEWABLE SEAT RING TYPE | THREADED |
| REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| VALVE STEM DESIGN | SINGLE SEAT |
| VALVE LOADING METHOD | SPRING |
| REMOTE ACTUATION METHOD | DIAPHRAGM |
| MAXIMUM INLET PRESSURE RATING | 100.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE SETTING | 96.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE ACCURACY RATING | NOT RATED |
| FILTER | NOT INCLUDED |
| SPECIAL FEATURES | CONTROLS BACK PRESSURE |
| SPECIFICATION/STANDARD DATA | 81349-MIL-V-20065A GOVERNMENT SPECIFICATION |
| NONDEFINITIVE SPEC/STD DATA | B TYPE AND B CLASS |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-V-20065A |
Restrictions/Controls & Freight Information | NSN 4820-01-061-6539
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-01-061-6539
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |