PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40066-2 REVA SH2 FIND1 50149-09Regulator,thermostatic Temperatu

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-546-6566 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-546-6566 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-546-6566. Primary manufacturer part number: 40066-2 REVA SH2 FIND1 50149-09.
Features
  • Regulator,thermostatic Temperatu — FSC 4820
  • Valve Size for Which Designed: 2.500 INCHES IN
  • Mounting Method: FLANGE
  • Flow Control Device: DISK
  • Thermostat Type: BULB
  • Capillary Tube Length: 180.000 INCHES NOMINAL IN
  • 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 4820-01-546-6566, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-546-6566
Primary Part Number40066-2 REVA SH2 FIND1 50149-09
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 Designed2.500 INCHES IN
Mounting MethodFLANGE
Flow Control DeviceDISK
Thermostat TypeBULB
Capillary Tube Length180.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-627-3995 INTERCHANGEABLE
Valve,safety Relief
5815-01-027-9622400662 INTERCHANGEABLE
Type Pallet
Telemechanics Inc
4820-01-329-986940066-202 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-331-875040066-201 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3120-01-546-5478146-13 INTERCHANGEABLE
Bushing,sleeve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40066-2 REVA SH2 FIND1 50149-09 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40066-2 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
50149-09 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4820-00-627-3995INTERCHANGEABLE
VALVE,SAFETY RELIEF
5815-01-027-9622INTERCHANGEABLE
TYPE PALLET
400662
4820-01-329-9869INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40066-202
4820-01-331-8750INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40066-201
3120-01-546-5478INTERCHANGEABLE
BUSHING,SLEEVE
146-13

Frequently Asked Questions

What is NSN 4820-01-546-6566?

NSN 4820-01-546-6566 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 4820-01-546-6566?

NSN 4820-01-546-6566 has 3 cross-referenced part numbers: 40066-2 REVA SH2 FIND1 50149-09 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40066-2 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 50149-09 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-546-6566?

There are 5 known substitutes for 4820-01-546-6566: 4820-00-627-3995, 5815-01-027-9622, 4820-01-329-9869 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40066-2 REVA SH2 FIND1 50149-09?

Key specifications for 40066-2 REVA SH2 FIND1 50149-09: Valve Size for Which Designed: 2.500 INCHES IN; Mounting Method: FLANGE; Special Features: FLOW CAPACITY: 145 GPM; 60-90 DEG FAHRENHEITNHA: 4820-01-546-3419; Part Name Assigned by Controlling Agency: INAVY: THERMO ASSY. 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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