PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40010-101Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-339-9750 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-339-9750 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-339-9750. Primary manufacturer part number: 40010-101.
Features
  • Valve,regulating,temperature — FSC 4820
  • Thermostatic Element: FINNED
  • First End Flange Shape Style: ROUND W/ BOLT HOLES
  • First End Flange Outside Diameter: 3.562 INCHES NOMINAL IN
  • Material: COPPER ALLOY BULB
  • Flow Control Device: DISK, GUIDED
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING
  • First End Style Designator: PLAIN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Bulb construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-339-9750, 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 26 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-339-9750
Primary Part Number40010-101
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Thermostatic ElementFINNED
First End Flange Shape StyleROUND W/ BOLT HOLES
First End Flange Outside Diameter3.562 INCHES NOMINAL IN
MaterialCOPPER ALLOY BULB
Flow Control DeviceDISK, GUIDED
MaterialPLASTIC POLYTETRAFLUOROETHYLENE PACKING
First End Style DesignatorPLAIN
Bulb Diameter1.125 INCHES NOMINAL IN
Temp Rating55.0 FAHRENHEIT MINIMUM AND 85.0 FAHRENHEIT MAXIMUM DEGF
MaterialCOPPER ALLOY BODY
First End Bolt Circle Diameter2.438 INCHES NOMINAL IN
Capillary Tube Length120.000 INCHES NOMINAL IN
First End Flange Thickness0.375 INCHES NOMINAL IN
Two-Way Valve ActionDIRECT ACTING
Face to Face Distance5.250 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING STEM
Bulb Length12.000 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
First End Bolt Hole Quantity3
End Connection Quantity2
Body StyleSTRAIGHT THRU
First End Bolt Hole Diameter0.562 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING SEAT
Temp AdjustabilityADJUSTABLE
Second End Relationship with First EndIDENTICAL
First End Connection TypePLAIN FACE FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3010-00-005-5663 INTERCHANGEABLE
Gearcase-Motor
5305-00-068-0502128720 INTERCHANGEABLE
Screw,cap,hexagon Head
Hyster-Yale Group, Inc.
3110-00-158-8136 INTERCHANGEABLE
Bearing,ball,annular
5961-00-350-8230151-0478-00 INTERCHANGEABLE
Transistor
Tektronix, Inc.
5977-00-437-7920 INTERCHANGEABLE
Brush,electrical Contact
5895-01-016-3889400101 INTERCHANGEABLE
Modification Kit,communication,e
Lucent Technologies Inc Corporate Headquarters
5998-01-056-2780 INTERCHANGEABLE
Circuit Card Assembly
5340-01-157-6788 INTERCHANGEABLE
Retainer,helical Compression Spr
4820-01-210-5928400101 INTERCHANGEABLE
Diaphragm,valve,flat
Cmb Industries Febco Div
6515-01-216-3365400101 INTERCHANGEABLE
Sphere,eye,surgical
Americal Corp Sponge Div
Cross-Reference Index
Part NumberManufacturer
40010-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40010-101 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40010-1 PART 40010-101 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3010-00-005-5663INTERCHANGEABLE
GEARCASE-MOTOR
5305-00-068-0502INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
128720
3110-00-158-8136INTERCHANGEABLE
BEARING,BALL,ANNULAR
5961-00-350-8230INTERCHANGEABLE
TRANSISTOR
151-0478-00
5977-00-437-7920INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5895-01-016-3889INTERCHANGEABLE
MODIFICATION KIT,COMMUNICATION,E
400101
5998-01-056-2780INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5340-01-157-6788INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
4820-01-210-5928INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
400101
6515-01-216-3365INTERCHANGEABLE
SPHERE,EYE,SURGICAL
400101
5998-01-445-3270INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40010-2
4810-01-475-2138INTERCHANGEABLE
OVERRIDE ASSEMBLY
20003 ITEM NO. 9

Frequently Asked Questions

What is NSN 4820-01-339-9750?

NSN 4820-01-339-9750 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 4820-01-339-9750?

NSN 4820-01-339-9750 has 3 cross-referenced part numbers: 40010-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40010-101 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40010-1 PART 40010-101 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-339-9750?

There are 12 known substitutes for 4820-01-339-9750: 3010-00-005-5663, 5305-00-068-0502, 3110-00-158-8136 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40010-101?

Key specifications for 40010-101: Thermostatic Element: FINNED; First End Flange Shape Style: ROUND W/ BOLT HOLES; First End Flange Outside Diameter: 3.562 INCHES NOMINAL IN; Material: COPPER ALLOY BULB. 26 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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