The Cock,poppet Drain, cataloged under National Stock Number 4820-00-289-3939, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-289-3939 |
| Primary Part Number | 3-59002-8 |
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker Hannifin Corporation Div Aerospace Group Headquarters |
| Status | CANCELLED |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | COPPER ALLOY |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | UNF FIRST END |
| Material | COPPER ALLOY BODY |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Test Data Document | 81349-MIL-V-25023 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Valve Operation Method | MANUAL |
| Thread Quantity Per Inch | 16 FIRST END |
| Flow Control Device | POPPET |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3-59002-8 | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
| 49F9798-54 | Department of the Air Force (USA) |
| MS29528-8 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 71D-8 | Auto-Valve, Inc (USA) |
| MIL-V-25023 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 3-7172-8 | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
| 83501-3 | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
| 575B8AS | Auto-Valve, Inc (USA) |
| 230-20020 | Dana Corp Weatherhead Div (USA) |
| 3D100A | Allen Aircraft Products Inc (USA) |
| BJ1000AS3 | Auto-Valve, Inc (USA) |
| C2E2365ND | Heligear Canada Acquisitioncorporationdba Northstar Aerospace Inc (milton) (CAN) |
NSN 4820-00-289-3939 is a Cock,poppet Drain, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-289-3939 has 12 cross-referenced part numbers: 3-59002-8 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 49F9798-54 (Department of the Air Force), MS29528-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 71D-8 (Auto-Valve, Inc), MIL-V-25023 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.
There are 12 known substitutes for 4820-00-289-3939: 4820-00-097-0325, 4820-00-202-6014, 4820-00-202-6250 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3-59002-8: Operating Pressure: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE; Seat Angle: 37.0 DEGREES FIRST END; Surface Treatment: COPPER ALLOY. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-289-3939 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.