PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40041-806Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-388-1244 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-388-1244 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-388-1244. Primary manufacturer part number: 40041-806.
Features
  • Valve,regulating,temperature — FSC 4820
  • Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
  • Material: COPPER ALLOY 922 BODY
  • First End Style Designator: SOCKET W/BRAZING RING
  • Body Style: STRAIGHT THRU
  • First End Connection Type: UNTHREADED INTERNAL PIPE
  • End Connection Quantity: 2
  • Flow Control Device: DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Body construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-388-1244, 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
NSN4820-01-388-1244
Primary Part Number40041-806
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Material Document and ClassificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 922 BODY
First End Style DesignatorSOCKET W/BRAZING RING
Body StyleSTRAIGHT THRU
First End Connection TypeUNTHREADED INTERNAL PIPE
End Connection Quantity2
Flow Control DeviceDISK
Thermostatic ElementLIQUID IMMERSION TYPE
First End Nominal Pipe Size Accommodated0.750 INCHES IN
Bulb Length10.250 INCHES NOMINAL IN
Second End Relationship with First EndIDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-201-8151 INTERCHANGEABLE
Adapter,connector
5950-00-686-6312152A654H01 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-01-055-6864W40041 INTERCHANGEABLE
Gasket
Rawson-Koenig Inc
4820-01-191-8894510-05 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-204-059440041-503 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5310-01-291-008540041 INTERCHANGEABLE
Washer,spring Tension
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
5310-01-304-921040041 INTERCHANGEABLE
Nut,plain,hexagon
American Machinery Inc Dba Amr American Machinery & Re-Mfg. Div Amr-Dod Contracting
3120-01-340-688140041 INTERCHANGEABLE
Bearing,sleeve
Hoffman/new Yorker, Inc.
4520-01-369-8053 INTERCHANGEABLE
Valve,air Venting,steam
4820-01-394-619340041-1 INTERCHANGEABLE
Cap,valve
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
40041 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40041-806 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5935-00-201-8151INTERCHANGEABLE
ADAPTER,CONNECTOR
5950-00-686-6312INTERCHANGEABLE
REACTOR
152A654H01
5330-01-055-6864INTERCHANGEABLE
GASKET
W40041
4820-01-191-8894INTERCHANGEABLE
STEM,FLUID VALVE
510-05
4820-01-204-0594INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40041-503
5310-01-291-0085INTERCHANGEABLE
WASHER,SPRING TENSION
40041
5310-01-304-9210INTERCHANGEABLE
NUT,PLAIN,HEXAGON
40041
3120-01-340-6881INTERCHANGEABLE
BEARING,SLEEVE
40041
4520-01-369-8053INTERCHANGEABLE
VALVE,AIR VENTING,STEAM
4820-01-394-6193INTERCHANGEABLE
CAP,VALVE
40041-1
8465-01-541-8299INTERCHANGEABLE
HYDRATION SYSTEM
40041
5310-01-653-7780INTERCHANGEABLE
WASHER,FLAT
4-0234

Frequently Asked Questions

What is NSN 4820-01-388-1244?

NSN 4820-01-388-1244 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 4820-01-388-1244?

NSN 4820-01-388-1244 has 2 cross-referenced part numbers: 40041 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40041-806 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-388-1244?

There are 12 known substitutes for 4820-01-388-1244: 5935-00-201-8151, 5950-00-686-6312, 5330-01-055-6864 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40041-806?

Key specifications for 40041-806: Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY; Material: COPPER ALLOY 922 BODY; First End Style Designator: SOCKET W/BRAZING RING; Body Style: STRAIGHT THRU. 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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