The Valve,check, cataloged under National Stock Number 4820-00-872-5106, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-872-5106 |
| Primary Part Number | 216523 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Marotta Controls Inc |
| Status | ACTIVE |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-S-763, CRES 300 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Thread Series Designator | UNF ALL ENDS |
| Seat Angle | 60.0 DEGREES ALL ENDS |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY SEAT |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flow Control Device | POPPET |
| Thread Class | 3B ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Furnished Items and Quantity | 1 CHAIN WHEEL |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Material | STEEL AND PLASTIC FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 216523 PRIMARY | Marotta Controls Inc (USA) |
NSN 4820-00-872-5106 is a Valve,check, manufactured by Marotta Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-872-5106 has 1 cross-referenced part number: 216523 (Marotta Controls Inc).
There are 4 known substitutes for 4820-00-872-5106: 4730-00-278-3214, 5360-00-509-5969, 4720-01-478-2135 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 216523: Nominal Outside Diameter Tube Accommodated: 0.500 INCHES ALL ENDS IN; Material Document and Classification: QQ-S-763, CRES 300 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Thread Series Designator: UNF ALL ENDS. 22 total characteristics are documented in the Federal Logistics Information System.