The Valve,restrictor Check, cataloged under National Stock Number 4820-00-725-2149, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Deltrol Corp Deltrol Fluid Products Div. Government technical data includes 16 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-725-2149 |
| Primary Part Number | F10B |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Deltrol Corp Deltrol Fluid Products Div |
| Status | CANCELLED |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Flow Control Device | CONE |
| Aperture Diameter | 0.107 INCHES NOMINAL IN |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | NPTF ALL ENDS |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY BODY |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Maximum Operating Temp | -40.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Valve Operation Method | AUTOMATIC |
| Maximum Operating Temp | 212.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material | RUBBER SYNTHETIC PACKING |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| HL-18122 PIECE 300 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| F10B PRIMARY | Deltrol Corp Deltrol Fluid Products Div (USA) |
| F103 | Ronco Corp (USA) |
NSN 4820-00-725-2149 is a Valve,restrictor Check, manufactured by Deltrol Corp Deltrol Fluid Products Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-725-2149 has 3 cross-referenced part numbers: HL-18122 PIECE 300 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), F10B (Deltrol Corp Deltrol Fluid Products Div), F103 (Ronco Corp).
There are 4 known substitutes for 4820-00-725-2149: 5306-00-226-4822, 5905-00-706-8010, 3010-01-336-6125 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for F10B: Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; Thread Direction: RIGHT-HAND ALL ENDS; Flow Control Device: CONE; Aperture Diameter: 0.107 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-725-2149 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.