The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-530-3543, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-530-3543 |
| Primary Part Number | 50146-21 |
| Item Name | Regulator,thermostatic Temperatu |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Valve Size for Which Designed | 2.000 INCHES IN |
| Thermostat Type | BULB |
| Operating Temp Rating | 110.0 FAHRENHEIT NOMINAL DEGF |
| Bulb Diameter | 1.120 INCHES NOMINAL IN |
| Bulb Length | 12.000 INCHES NOMINAL IN |
| Capillary Tube Length | 180.000 INCHES NOMINAL IN |
| Usage Design | WATER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40105-4 SHT 2 P/N 50146-21 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40700 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40700 SHT 3 P/N 50146-21 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 50146-21 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40105-4 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-530-3543 is a Regulator,thermostatic Temperatu, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-530-3543 has 5 cross-referenced part numbers: 40105-4 SHT 2 P/N 50146-21 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40700 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40700 SHT 3 P/N 50146-21 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 50146-21 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40105-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 12 known substitutes for 4820-01-530-3543: 4730-00-050-4204, 5305-00-225-3416, 3120-00-339-2618 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 50146-21: Valve Size for Which Designed: 2.000 INCHES IN; Thermostat Type: BULB; Operating Temp Rating: 110.0 FAHRENHEIT NOMINAL DEGF; End Item Identification: 4820-01-530-3540; VALVE, REGULATING, TEMPERATURE. 8 total characteristics are documented in the Federal Logistics Information System.