PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50146-14Regulator,thermostatic Temperatu

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-341-4398 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-341-4398 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-341-4398. Primary manufacturer part number: 50146-14.
Features
  • Regulator,thermostatic Temperatu — FSC 4820
  • Bulb Length: 12.000 INCHES NOMINAL IN
  • Valve Size for Which Designed: 1.500 INCHES IN
  • Thermostat Type: BULB
  • Usage Design: CONTROL VALVE FLOW
  • 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 4820-01-341-4398, 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 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-341-4398
Primary Part Number50146-14
Item NameRegulator,thermostatic Temperatu
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Bulb Length12.000 INCHES NOMINAL IN
Valve Size for Which Designed1.500 INCHES IN
Thermostat TypeBULB
Usage DesignCONTROL VALVE FLOW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-526-9617 INTERCHANGEABLE
Spring,helical,compression
4820-01-214-3808255-03 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-214-3905383-08 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-214-7059254-03 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-214-7183253-02 INTERCHANGEABLE
Plunger,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-214-718460299-00 INTERCHANGEABLE
Seat Tool,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-216-644940064-401 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-341-4267 INTERCHANGEABLE
Valve,regulating,temperature
4820-01-357-966840064-405 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3120-01-495-4001400644 INTERCHANGEABLE
Bushing Half,sleeve
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Cross-Reference Index
Part NumberManufacturer
40064-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40064-4 ITEM 50146-14 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
50146-14 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5360-00-526-9617INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4820-01-214-3808INTERCHANGEABLE
SEAT,VALVE
255-03
4820-01-214-3905INTERCHANGEABLE
STEM,FLUID VALVE
383-08
4820-01-214-7059INTERCHANGEABLE
SEAT,VALVE
254-03
4820-01-214-7183INTERCHANGEABLE
PLUNGER,VALVE
253-02
4820-01-214-7184INTERCHANGEABLE
SEAT TOOL,VALVE
60299-00
4820-01-216-6449INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40064-401
4820-01-341-4267INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
4820-01-357-9668INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40064-405
3120-01-495-4001INTERCHANGEABLE
BUSHING HALF,SLEEVE
400644
5850-01-518-6405INTERCHANGEABLE
DIAPHRAGM,ASSEMBLY
40064-4
4820-01-707-5692INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40064-408

Frequently Asked Questions

What is NSN 4820-01-341-4398?

NSN 4820-01-341-4398 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 4820-01-341-4398?

NSN 4820-01-341-4398 has 3 cross-referenced part numbers: 40064-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40064-4 ITEM 50146-14 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 50146-14 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-341-4398?

There are 12 known substitutes for 4820-01-341-4398: 5360-00-526-9617, 4820-01-214-3808, 4820-01-214-3905 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50146-14?

Key specifications for 50146-14: Bulb Length: 12.000 INCHES NOMINAL IN; Valve Size for Which Designed: 1.500 INCHES IN; End Item Identification: TRAC REGULATOR CO,TEMPERATURE REGULATING VALVE,STYLE A; Thermostat Type: BULB. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com