The Valve,check, cataloged under National Stock Number 4820-01-091-6962, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is P J Valves Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 4820-01-091-6962 |
| Primary Part Number | D-1994 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | P J Valves Inc |
| Status | ACTIVE |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Material | STEEL COMP 420 FLOW CONTROL DEVICE |
| Material | STEEL COMP 416 SEAT |
| Material | STEEL BODY |
| Mounting Position | HORIZONTAL |
| Valve Operation Method | AUTOMATIC |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Flow Control Device | DISK |
| Material Document and Classification | ASTMA216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Operating Pressure | 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D-1994 | P J Valves Inc (USA) |
| D-1994 SIZE 2IN | P J Valves Inc (USA) |
NSN 4820-01-091-6962 is a Valve,check, manufactured by P J Valves Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-091-6962 has 2 cross-referenced part numbers: D-1994 (P J Valves Inc), D-1994 SIZE 2IN (P J Valves Inc).
There are 10 known substitutes for 4820-01-091-6962: 4820-01-091-4684, 4820-01-091-7996, 4820-01-091-8053 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for D-1994: Connection Style: SOCKET (PIPE) ALL ENDS; Material: STEEL COMP 420 FLOW CONTROL DEVICE; Material: STEEL COMP 416 SEAT; Material: STEEL BODY. 13 total characteristics are documented in the Federal Logistics Information System.