The Valve,check, cataloged under National Stock Number 4820-01-092-4294, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-092-4294 |
| Primary Part Number | D-1994 SIZE 1IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | CANCELLED |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material | STEEL BODY |
| Valve Operation Method | AUTOMATIC |
| Specification/standard Data | 81349-MIL-V-18436D GOVERNMENT SPECIFICATION |
| Material | STEEL COMP 420 FLOW CONTROL DEVICE |
| Material Document and Classification | FED-STD-66, AISI 420/SAE 51420 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Nondefinitive Spec/std Data | C GROUP AND 3 TYPE AND A STYLE |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Material Document and Classification | ASTMA216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Disk Loading Method | WEIGHT |
| Mounting Position | HORIZONTAL |
| Material | STEEL COMP 416 SEAT |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Material Document and Classification | FED-STD-66, COMP 416 FED STD SINGLE MATERIAL RESPONSE SEAT |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-DTL-18436 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| D-1994 | P J Valves Inc (USA) |
| 1560S.W.E. 1IN DWG 67408 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| MIL-V-18436 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 21560S.W.E. 1IN DWG 67408 | Micro Science Inc (USA) |
| D-1994 SIZE 1IN PRIMARY | Hunt Valve Company, Inc. (USA) |
| D-1994 SIZE 1IN | P J Valves Inc (USA) |
NSN 4820-01-092-4294 is a Valve,check, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-092-4294 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), D-1994 (P J Valves Inc), 1560S.W.E. 1IN DWG 67408 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), MIL-V-18436 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 21560S.W.E. 1IN DWG 67408 (Micro Science Inc) and 2 more.
There are 10 known substitutes for 4820-01-092-4294: 4820-01-091-4684, 4820-01-091-6962, 4820-01-091-7996 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for D-1994 SIZE 1IN: Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Material: STEEL BODY; Valve Operation Method: AUTOMATIC; Specification/standard Data: 81349-MIL-V-18436D GOVERNMENT SPECIFICATION. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-092-4294 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.