PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50146-10Regulator,thermostatic Temperatu

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-423-9077 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-423-9077 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-423-9077. Primary manufacturer part number: 50146-10.
Features
  • Regulator,thermostatic Temperatu — FSC 4820
  • Bulb Diameter: 1.250 INCHES NOMINAL IN
  • Bulb Length: 12.000 INCHES NOMINAL IN
  • Capillary Tube Length: 120.000 INCHES NOMINAL IN
  • Operating Temp Rating: 60.0 FAHRENHEIT MINIMUM AND 90.0 FAHRENHEIT MAXIMUM DEGF
  • Thermostat Type: BULB
  • 3 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-423-9077, 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 5 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-423-9077
Primary Part Number50146-10
Item NameRegulator,thermostatic Temperatu
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Bulb Diameter1.250 INCHES NOMINAL IN
Bulb Length12.000 INCHES NOMINAL IN
Capillary Tube Length120.000 INCHES NOMINAL IN
Operating Temp Rating60.0 FAHRENHEIT MINIMUM AND 90.0 FAHRENHEIT MAXIMUM DEGF
Thermostat TypeBULB
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-330-99421590-1112P3 INTERCHANGEABLE
Bearing,pivot
Raytheon Company Div Corp
5985-01-027-39974015C-6 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
4820-01-294-494050146-09 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-314-116850146-02 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-319-545450146-06 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5930-01-339-636550146 INTERCHANGEABLE
Switch,toggle
Hamilton Mfg Co
4710-01-356-865950146 INTERCHANGEABLE
Tubing,nonmetallic
Westburne Supply Inc
4820-01-371-264450146-17 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6150-01-397-562850146 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Fire-Bann Corp Lrd
4730-01-400-311230707 INTERCHANGEABLE
Head Assembly,end C
Highland Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
50146 ASSY 50146-10 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
50146 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
50146-10 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3110-00-330-9942INTERCHANGEABLE
BEARING,PIVOT
1590-1112P3
5985-01-027-3997INTERCHANGEABLE
COUPLER,DIRECTIONAL
4015C-6
4820-01-294-4940INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50146-09
4820-01-314-1168INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50146-02
4820-01-319-5454INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50146-06
5930-01-339-6365INTERCHANGEABLE
SWITCH,TOGGLE
50146
4710-01-356-8659INTERCHANGEABLE
TUBING,NONMETALLIC
50146
4820-01-371-2644INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
50146-17
6150-01-397-5628INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
50146
4730-01-400-3112INTERCHANGEABLE
HEAD ASSEMBLY,END C
30707

Frequently Asked Questions

What is NSN 4820-01-423-9077?

NSN 4820-01-423-9077 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.

What are the part numbers for NSN 4820-01-423-9077?

NSN 4820-01-423-9077 has 3 cross-referenced part numbers: 50146 ASSY 50146-10 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 50146 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 50146-10 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-423-9077?

There are 10 known substitutes for 4820-01-423-9077: 3110-00-330-9942, 5985-01-027-3997, 4820-01-294-4940 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50146-10?

Key specifications for 50146-10: End Item Identification: 170' PATROL COASTAL; Bulb Diameter: 1.250 INCHES NOMINAL IN; Bulb Length: 12.000 INCHES NOMINAL IN; Capillary Tube Length: 120.000 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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