The Valve,stop-Check, cataloged under National Stock Number 4820-00-762-1212, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 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 | 4820-00-762-1212 |
| Primary Part Number | MIL-DTL-22052 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Style Designator | STRAIGHT THRU |
| Material | STEEL CORROSION RESISTING STEM |
| Bonnet Attachment Method | PRESSURE SEAL, RING TYPE |
| Material | STEEL SEAT |
| Features Provided | BONNET PACKING |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Operating Pressure | 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material Document and Classification | ASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nondefinitive Spec/std Data | D COMPOSITION |
| 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.). |
| Material | STEEL BODY |
| Material Document and Classification | MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Flow Control Device | DISK |
| Maximum Operating Temp | 775.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | MANUAL |
| Mounting Position | HORIZONTAL |
| Material | STEEL FLOW CONTROL DEVICE |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-DTL-22052 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILV22052C0MPDC | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 3508-X4 | Lunkenheimer Co (USA) |
| MIL-V-22052 | 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 |
| 6043U-63-982 | Lunkenheimer Co (USA) |
NSN 4820-00-762-1212 is a Valve,stop-Check, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-762-1212 has 6 cross-referenced part numbers: MIL-DTL-22052 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILV22052C0MPDC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3508-X4 (Lunkenheimer Co), MIL-V-22052 (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) and 1 more.
There are 12 known substitutes for 4820-00-762-1212: 4820-00-229-9582, 4820-00-491-6795, 4820-00-494-0851 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-DTL-22052: Style Designator: STRAIGHT THRU; Material: STEEL CORROSION RESISTING STEM; Bonnet Attachment Method: PRESSURE SEAL, RING TYPE; Material: STEEL SEAT. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-762-1212 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.