The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-423-1984, 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 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-423-1984 |
| Primary Part Number | 40055-412 |
| 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 |
| Second End Relationship with First End | IDENTICAL |
| First End Outside Diameter Tube Accommodated | 2.000 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Temp Adjustability | ADJUSTABLE |
| Temp Rating | 100.0 FAHRENHEIT NOMINAL DEGF |
| Body Style | STRAIGHT THRU |
| Material | COPPER ALLOY BODY |
| Two-Way Valve Action | REVERSE ACTING |
| First End Style Designator | REDUCED SOCKET WITH ONE BRAZING RING |
| Material | STEEL CORROSION RESISTING STEM |
| Flow Control Device | DISK |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40055-4 ASSEMBLY 40055-412 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40055-412 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40055-4 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-423-1984 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 4820-01-423-1984 has 3 cross-referenced part numbers: 40055-4 ASSEMBLY 40055-412 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40055-412 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40055-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 9 known substitutes for 4820-01-423-1984: 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 40055-412: Second End Relationship with First End: IDENTICAL; End Item Identification: 170' PATROL COASTAL (PC-1) CLASS SHIPS; First End Outside Diameter Tube Accommodated: 2.000 INCHES NOMINAL IN; End Connection Quantity: 2. 13 total characteristics are documented in the Federal Logistics Information System.