PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50154-04Regulator,thermostatic Temperatu

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-047-5395 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-047-5395 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-047-5395. Primary manufacturer part number: 50154-04.
Features
  • Regulator,thermostatic Temperatu — FSC 4820
  • Valve Size for Which Designed: 2.000 INCHES IN
  • Thermostat Type: BELLOWS
  • Bulb Length: 12.000 INCHES NOMINAL IN
  • Bulb Diameter: 1.000 INCHES NOMINAL IN
  • Capillary Tube Length: 144.000 INCHES NOMINAL IN
  • Operating Temp Rating: 80.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF
  • Usage Design: CONTROL VALVE FLOW
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-047-5395, 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 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.

Technical Specifications
ParameterValue
NSN4820-01-047-5395
Primary Part Number50154-04
Item NameRegulator,thermostatic Temperatu
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Valve Size for Which Designed2.000 INCHES IN
Thermostat TypeBELLOWS
Bulb Length12.000 INCHES NOMINAL IN
Bulb Diameter1.000 INCHES NOMINAL IN
Capillary Tube Length144.000 INCHES NOMINAL IN
Operating Temp Rating80.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF
Usage DesignCONTROL VALVE FLOW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5120-00-221-1066 INTERCHANGEABLE
Vise,pipe
5330-00-842-8251BA3975 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
5975-01-097-4698 INTERCHANGEABLE
Panel,blank
5310-01-105-5720158-00 INTERCHANGEABLE
Nut,bracket,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-120-4528160-00 INTERCHANGEABLE
Piston,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5360-01-227-559340175 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace, Llc Dba Jackson South
5120-01-367-9744 INTERCHANGEABLE
Handle,socket Wrench
6240-01-492-207440175 INTERCHANGEABLE
Collar
The Boeing Company
5310-01-556-321040175 INTERCHANGEABLE
Nut,self-Locking,hexagon
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
50,154 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40175 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
50154-04 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5120-00-221-1066INTERCHANGEABLE
VISE,PIPE
5330-00-842-8251INTERCHANGEABLE
GASKET
BA3975
5975-01-097-4698INTERCHANGEABLE
PANEL,BLANK
5310-01-105-5720INTERCHANGEABLE
NUT,BRACKET,VALVE
158-00
4820-01-120-4528INTERCHANGEABLE
PISTON,VALVE
160-00
5360-01-227-5593INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40175
5120-01-367-9744INTERCHANGEABLE
HANDLE,SOCKET WRENCH
6240-01-492-2074INTERCHANGEABLE
COLLAR
40175
5310-01-556-3210INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
40175

Frequently Asked Questions

What is NSN 4820-01-047-5395?

NSN 4820-01-047-5395 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 4820-01-047-5395?

NSN 4820-01-047-5395 has 3 cross-referenced part numbers: 50,154 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40175 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 50154-04 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-047-5395?

There are 9 known substitutes for 4820-01-047-5395: 5120-00-221-1066, 5330-00-842-8251, 5975-01-097-4698 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50154-04?

Key specifications for 50154-04: Valve Size for Which Designed: 2.000 INCHES IN; End Item Identification: TRAC REGULATOR;STYLE B 3-WAY TEMPERATURE REGULATING VALVE; Thermostat Type: BELLOWS; Bulb Length: 12.000 INCHES NOMINAL IN. 8 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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