PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40064-4Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-341-4267 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-341-4267 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-341-4267. Primary manufacturer part number: 40064-4.
Features
  • Valve,regulating,temperature — FSC 4820
  • Flow Control Device: DISK, DUAL
  • Material: COPPER ALLOY BODY
  • Bulb Length: 12.000 INCHES NOMINAL IN
  • First End Connection Type: UNTHREADED INTERNAL PIPE
  • Thermostatic Element: FINNED
  • End Connection Quantity: 2
  • First End Style Designator: SOCKET W/BRAZING RING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-341-4267, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-341-4267
Primary Part Number40064-4
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Flow Control DeviceDISK, DUAL
MaterialCOPPER ALLOY BODY
Bulb Length12.000 INCHES NOMINAL IN
First End Connection TypeUNTHREADED INTERNAL PIPE
Thermostatic ElementFINNED
End Connection Quantity2
First End Style DesignatorSOCKET W/BRAZING RING
Body StyleSTRAIGHT THRU
Two-Way Valve ActionREVERSE ACTING
First End Nominal Pipe Size Accommodated1.500 INCHES IN
Second End Relationship with First EndIDENTICAL
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
4820-01-341-439850146-14 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
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 PART 40064-406 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
4820-01-341-4398INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50146-14
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 4820-01-341-4267?

NSN 4820-01-341-4267 is a Valve,regulating,temperature, 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 4820-01-341-4267?

NSN 4820-01-341-4267 has 2 cross-referenced part numbers: 40064-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40064-4 PART 40064-406 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-341-4267?

There are 12 known substitutes for 4820-01-341-4267: 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 40064-4?

Key specifications for 40064-4: Flow Control Device: DISK, DUAL; Material: COPPER ALLOY BODY; Bulb Length: 12.000 INCHES NOMINAL IN; First End Connection Type: UNTHREADED INTERNAL PIPE. 11 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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