The Valve,stop-Check, cataloged under National Stock Number 4820-00-585-2607, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mark Controls Corp Pacific Valves Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-585-2607 |
| Primary Part Number | 7814-00X781500 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mark Controls Corp Pacific Valves Div |
| Status | ACTIVE |
| Material | COBALT ALLOY FLOW CONTROL DEVICE |
| Connection Type | BUTT WELD PIPE FIRST END |
| Mounting Position | HORIZONTAL |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Style Designator | STRAIGHT THRU |
| Criticality Code Justification | ZZZY |
| Operating Pressure | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY BODY |
| Reference Number Differentiating Characteristics | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |
| Material | COBALT ALLOY BODY LINING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7814-00X781500 | Mark Controls Corp Pacific Valves Div (USA) |
| 7814-00AND7815-00 | Mark Controls Corp Pacific Valves Div (USA) |
| 13289 | Mark Controls Corp Pacific Valves Div (USA) |
NSN 4820-00-585-2607 is a Valve,stop-Check, manufactured by Mark Controls Corp Pacific Valves Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-585-2607 has 3 cross-referenced part numbers: 7814-00X781500 (Mark Controls Corp Pacific Valves Div), 7814-00AND7815-00 (Mark Controls Corp Pacific Valves Div), 13289 (Mark Controls Corp Pacific Valves Div).
There are 7 known substitutes for 4820-00-585-2607: 2530-00-674-9826, 4130-00-955-2144, 6105-01-021-2175 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7814-00X781500: Material: COBALT ALLOY FLOW CONTROL DEVICE; Connection Type: BUTT WELD PIPE FIRST END; Mounting Position: HORIZONTAL; Media for Which Designed: WATER, FRESH SINGLE RESPONSE. 12 total characteristics are documented in the Federal Logistics Information System.