The Valve,float, cataloged under National Stock Number 4820-00-247-7752, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Robert Manufacturing Company Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-247-7752 |
| Primary Part Number | RM66 |
| Item Name | Valve,float |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Robert Manufacturing Company Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Furnished Items and Quantity | 1 FLOAT |
| Connection Style | COMPRESSION (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Style Designator | ANGLE |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Facility | BULKHEAD |
| Thread Class | 2A FIRST END A |
| Material | COPPER ALLOY BODY |
| Material | RUBBER FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Thread Series Designator | UNF FIRST END |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RM66 PRIMARY | Robert Manufacturing Company Inc (USA) |
NSN 4820-00-247-7752 is a Valve,float, manufactured by Robert Manufacturing Company Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-247-7752 has 1 manufacturer part number on file: RM66 (Robert Manufacturing Company Inc).
Key specifications for RM66: Flow Control Device: DISK; Furnished Items and Quantity: 1 FLOAT; Connection Style: COMPRESSION (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.