PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40105-406Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-530-3540 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-530-3540 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-530-3540. Primary manufacturer part number: 40105-406.
Features
  • Valve,regulating,temperature — FSC 4820
  • Material: COPPER ALLOY BODY
  • Material: NICKEL ALLOY SEAT
  • Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
  • Specification/standard Data: 81349 - MIL-V-19772A TYPE II CLASS 2 GOVERNMENT SPECIFICATION A
  • Face to Face Distance: 9.220 INCHES NOMINAL IN
  • First End Connection Type: UNTHREADED INTERNAL PIPE
  • End Connection Quantity: 2
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 4820-01-530-3540, 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 16 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-530-3540
Primary Part Number40105-406
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialCOPPER ALLOY BODY
MaterialNICKEL ALLOY SEAT
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Specification/standard Data81349 - MIL-V-19772A TYPE II CLASS 2 GOVERNMENT SPECIFICATION A
Face to Face Distance9.220 INCHES NOMINAL IN
First End Connection TypeUNTHREADED INTERNAL PIPE
End Connection Quantity2
Flow Control DeviceBELLOWS
First End Nominal Pipe Size Accommodated2.000 INCHES IN
Second End Relationship with First EndIDENTICAL
Temp AdjustabilityNOT ADJUSTABLE
Body StyleSTRAIGHT THRU
First End Style DesignatorSOCKET W/BRAZING RING
Media for Which DesignedWATER
Temp Rating100.0 FAHRENHEIT MINIMUM AND 130.0 FAHRENHEIT MAXIMUM DEGF
Maximum Inlet Pressure RatingERR-060
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2530-00-558-614931W0440 INTERCHANGEABLE
Brace Asy
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
6625-00-668-79214010-5-4 INTERCHANGEABLE
Ammeter
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
4820-01-530-354350146-21 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3110-01-546-392240105-4 INTERCHANGEABLE
Seat,bearing
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
Cross-Reference Index
Part NumberManufacturer
40105-4 ASSY 40105-406 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40105-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40105-406 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
2530-00-558-6149INTERCHANGEABLE
BRACE ASY
31W0440
6625-00-668-7921INTERCHANGEABLE
AMMETER
4010-5-4
4820-01-530-3543INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50146-21
3110-01-546-3922INTERCHANGEABLE
SEAT,BEARING
40105-4

Frequently Asked Questions

What is NSN 4820-01-530-3540?

NSN 4820-01-530-3540 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 4820-01-530-3540?

NSN 4820-01-530-3540 has 3 cross-referenced part numbers: 40105-4 ASSY 40105-406 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40105-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40105-406 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-530-3540?

There are 4 known substitutes for 4820-01-530-3540: 2530-00-558-6149, 6625-00-668-7921, 4820-01-530-3543 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40105-406?

Key specifications for 40105-406: Material: COPPER ALLOY BODY; Material: NICKEL ALLOY SEAT; Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Specification/standard Data: 81349 - MIL-V-19772A TYPE II CLASS 2 GOVERNMENT SPECIFICATION A. 17 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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