The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-424-9870, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 18 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-424-9870 |
| Primary Part Number | 40055-411 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| First End Nominal Pipe Size Accommodated | 2.000 INCHES IN |
| Second End Relationship with First End | IDENTICAL |
| Bulb Length | 12.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY BULB |
| Material | STEEL CORROSION RESISTING STEM |
| Temp Adjustability | ADJUSTABLE |
| Material | COPPER ALLOY SEAT |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| Flow Control Device | DOUBLE SEATED |
| Two-Way Valve Action | REVERSE ACTING |
| Material | COPPER ALLOY BODY |
| Body Style | STRAIGHT THRU |
| End Connection Quantity | 2 |
| Temp Rating | 60.0 FAHRENHEIT MINIMUM AND 90.0 FAHRENHEIT MAXIMUM DEGF |
| Thermostatic Element | DUCT TYPE |
| Capillary Tube Length | 120.000 INCHES NOMINAL IN |
| Bulb Diameter | 1.875 INCHES NOMINAL IN |
| First End Style Designator | SOCKET W/BRAZING RING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40055-411 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40055-4 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40055-4 ASSY 40055-411 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-424-9870 is a Valve,regulating,temperature, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-424-9870 has 3 cross-referenced part numbers: 40055-411 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40055-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40055-4 ASSY 40055-411 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 9 known substitutes for 4820-01-424-9870: 5961-00-972-2893, 5307-01-057-9287, 4820-01-341-4266 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40055-411: First End Nominal Pipe Size Accommodated: 2.000 INCHES IN; End Item Identification: 170 FT PATROL COASTAL FT; Second End Relationship with First End: IDENTICAL; Bulb Length: 12.000 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.