The Valve,check, cataloged under National Stock Number 4820-01-323-5861, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Evac North America Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-323-5861 |
| Primary Part Number | 2503134-001 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Evac North America Inc |
| Status | ACTIVE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Operating Pressure | 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Flange Shape | ROUND ALL ENDS |
| Material | IRON BODY |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC |
| Connection Type | FLANGE ALL ENDS |
| Mounting Facility | WAFER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2503134-001 PRIMARY | Evac North America Inc (USA) |
| 12G | Prince Valve Inc (USA) |
| 10G-2INCH | Carrig & Associates Inc (USA) |
NSN 4820-01-323-5861 is a Valve,check, manufactured by Evac North America Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-323-5861 has 3 cross-referenced part numbers: 2503134-001 (Evac North America Inc), 12G (Prince Valve Inc), 10G-2INCH (Carrig & Associates Inc).
There are 8 known substitutes for 4820-01-323-5861: 6210-00-488-8438, 3805-00-760-9431, 3805-00-760-9432 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2503134-001: Mounting Position: HORIZONTAL OR VERTICAL; Operating Pressure: 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: STRAIGHT THRU FLANGED ENDS; Material: STEEL COMP 304 FLOW CONTROL DEVICE. 10 total characteristics are documented in the Federal Logistics Information System.