The Valve,check, cataloged under National Stock Number 4820-01-091-7996, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-091-7996 |
| Primary Part Number | MIL-DTL-18436 |
| Item Name | Valve,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 | ACTIVE |
| Material | STEEL BODY |
| Valve Operation Method | AUTOMATIC |
| Disk Loading Method | WEIGHT |
| Flow Control Device | DISK |
| Renewable Seat Ring Type | RETAINING SCREW |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL CORROSION RESISTING SEAT |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material Document and Classification | ASTMA216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Pipe Size Accommodated | 1.500 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-DTL-18436 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-V-18436 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| D-1994 | P J Valves Inc (USA) |
| M18436-C3-A5-SW015/015 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| D-1994 SIZE 1 1-2 IN | P J Valves Inc (USA) |
| MILV18436GRPC,TYPEIII,TRIM5,SOCK | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| D-1994 1 1/2IN | P J Valves Inc (USA) |
NSN 4820-01-091-7996 is a Valve,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: active.
NSN 4820-01-091-7996 has 7 cross-referenced part numbers: MIL-DTL-18436 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-V-18436 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), D-1994 (P J Valves Inc), M18436-C3-A5-SW015/015 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), D-1994 SIZE 1 1-2 IN (P J Valves Inc) and 2 more.
There are 10 known substitutes for 4820-01-091-7996: 4820-01-091-4684, 4820-01-091-6962, 4820-01-091-8053 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-DTL-18436: Material: STEEL BODY; Valve Operation Method: AUTOMATIC; Disk Loading Method: WEIGHT; Flow Control Device: DISK. 15 total characteristics are documented in the Federal Logistics Information System.