The Valve,safety Relief, cataloged under National Stock Number 4820-00-038-7018, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-038-7018 |
| Primary Part Number | 20318 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Bonnet Attachment Method | THREADED |
| Material Document and Classification | ASTMA276,TYPE303 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Flange Face Design | PLAIN ALL ENDS |
| Style Designator | ANGLE |
| Nominal Thickness | 0.812 INCHES ALL ENDS IN |
| Test Data Document | 81349-MIL-S-901 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.). |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY 922 BODY |
| Material Document and Classification | ASTMA276,TYPE303 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Opening Pressure Setting | 30.0 POUNDS PER SQUARE INCH LBS |
| Nominal Outside Diameter | 5.620 INCHES ALL ENDS IN |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Bolt Circle Nominal Diameter | 3.938 INCHES ALL ENDS IN |
| Nondefinitive Spec/std Data | B GRADE |
| Adjustable Pressure Range | +15.0 TO 30.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | QQ-C-390,ALLOYD4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | STEEL SEAT |
| Valve Discharge Flow Rate | 10.0 GALLONS PER MINUTE |
| Bonnet Type | INSIDE SPRING |
| Material | STEEL FLOW CONTROL DEVICE |
| Renewable Seat Ring Type | THREADED |
| Disk Loading Method | SPRING |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Bolt Hole Quantity | 6 ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Maximum Operating Temp | 70.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILV24332GRB1 1-2 250-15-30F | Naval Inventory Control Point Mechanicsburg (USA) |
| 20318 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| MIL-DTL-24332 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILV24332 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20318 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-00-038-7018 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-038-7018 has 5 cross-referenced part numbers: MILV24332GRB1 1-2 250-15-30F (Naval Inventory Control Point Mechanicsburg), 20318 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), MIL-DTL-24332 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILV24332 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20318 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-00-038-7018: 3110-00-156-1909, 3010-00-167-9319, 5320-00-515-8602 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20318: Bonnet Attachment Method: THREADED; Material Document and Classification: ASTMA276,TYPE303 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Features Provided: PRESSURE TIGHT OUTLET SIDE; Flange Face Design: PLAIN ALL ENDS. 29 total characteristics are documented in the Federal Logistics Information System.