The Valve,globe, cataloged under National Stock Number 4820-00-494-0851, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-494-0851 |
| Primary Part Number | B12-20P02TS/78532-9/882057827 |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Velan Valve Corp. |
| Status | CANCELLED |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS4.000 INCHES ALL ENDS IN |
| Bonnet Type | OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE |
| Material | STEEL CORROSION RESISTING STEM |
| Special Test Features | RADIOGRAPHY INSPECTION PER MIL-STD-271 |
| Valve Operation Method | MANUALMANUAL |
| Material | STEEL CORROSION RESISTING STEMSTEEL FLOW CONTROL DEVICE |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Connection Style | BEVELED (PIPE) ALL ENDSBEVELED (PIPE) ALL ENDS |
| Connection Type | BUTT WELD PIPE ALL ENDSBUTT WELD PIPE ALL ENDS |
| Material | STEEL SEATSTEEL UNS J03002 BODY |
| Style Designator | STRAIGHT THRU |
| Material | STEEL FLOW CONTROL DEVICESTEEL SEAT |
| Bonnet Attachment Method | PRESSURE SEAL, RING TYPEPRESSURE SEAL, RING TYPE |
| Features Provided | BONNET PACKINGBONNET PACKING |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material Document and Classification | MIL-R-1713 MIL SPEC SINGLE MATERIAL RESPONSE SEATA105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Maximum Operating Temp | 775.0 FAHRENHEIT SINGLE RESPONSE775.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE STEMMIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEMIL-R-1713 MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| Flow Control Device | DISKDISK |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C9877-7 | The Walworth Company (USA) |
| 78306-B12-27PS2TS-SC40-882056343 | Velan Valve Corp. (USA) |
| B12-20P02TS/78532-9/882057827 PRIMARY | Velan Valve Corp. (USA) |
| MIL-DTL-22052 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CS4820-0015DADTPRQD | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| MILV22052 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-V-22052D | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4820-00-494-0851 is a Valve,globe, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-494-0851 has 7 cross-referenced part numbers: C9877-7 (The Walworth Company), 78306-B12-27PS2TS-SC40-882056343 (Velan Valve Corp.), B12-20P02TS/78532-9/882057827 (Velan Valve Corp.), MIL-DTL-22052 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS4820-0015DADTPRQD (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)) and 2 more.
There are 12 known substitutes for 4820-00-494-0851: 4820-00-229-9582, 4820-00-491-6795, 4820-00-762-1212 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B12-20P02TS/78532-9/882057827: Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS4.000 INCHES ALL ENDS IN; Bonnet Type: OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE; Material: STEEL CORROSION RESISTING STEM; Special Test Features: RADIOGRAPHY INSPECTION PER MIL-STD-271. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-494-0851 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.