PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40153-901Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-341-4268 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-341-4268 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-341-4268. Primary manufacturer part number: 40153-901.
Features
  • Valve,regulating,temperature — FSC 4820
  • Material: PLASTIC TETRAFLUOROETHYLENE PACKING
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM
  • Material Document and Classification: QQ-B-626, ALLOY 360, 1/2H FED SPEC SINGLE MATERIAL RESPONSE BULB
  • Material: STEEL CORROSION RESISTING STEM
  • Material: COPPER ALLOY 360 BULB
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT
  • Material: STEEL CORROSION RESISTING SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Tetrafluoroethylene Packing construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-341-4268, 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 25 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-341-4268
Primary Part Number40153-901
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialPLASTIC TETRAFLUOROETHYLENE PACKING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM
Material Document and ClassificationQQ-B-626, ALLOY 360, 1/2H FED SPEC SINGLE MATERIAL RESPONSE BULB
MaterialSTEEL CORROSION RESISTING STEM
MaterialCOPPER ALLOY 360 BULB
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MaterialSTEEL CORROSION RESISTING SEAT
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialCOPPER ALLOY 922 BODY
Material Document and ClassificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Temp AdjustabilityADJUSTABLE
First End Connection TypeUNTHREADED INTERNAL PIPE
End Connection Quantity2
Bulb Diameter0.625 INCHES NOMINAL IN
Two-Way Valve ActionREVERSE ACTING
Body StyleSTRAIGHT THRU
Thermostatic ElementFINNED
Bulb Length11.500 INCHES NOMINAL IN
Flow Control DeviceDOUBLE SEATED
Temp Rating120.0 FAHRENHEIT NOMINAL DEGF
First End Nominal Pipe Size Accommodated1.250 INCHES IN
Second End Relationship with First EndIDENTICAL
Capillary Tube Length120.000 INCHES NOMINAL IN
First End Style DesignatorSOCKET W/BRAZING RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6210-00-007-130640P0073-2 INTERCHANGEABLE
Lens,light
Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
2915-00-606-3197401539 INTERCHANGEABLE
Sleeve,variable Res
Woodward, Inc. Div Fuel Systems and Controls
6515-01-145-2446401539 INTERCHANGEABLE
Bag,ostomy
Convatec Inc. Div Convatec
4320-01-442-1097308-9310-098 INTERCHANGEABLE
Pump,rotary
Parker Hannifin Corporation Div Cylinder Division
Cross-Reference Index
Part NumberManufacturer
40153-901 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40153-9 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
6210-00-007-1306INTERCHANGEABLE
LENS,LIGHT
40P0073-2
2915-00-606-3197INTERCHANGEABLE
SLEEVE,VARIABLE RES
401539
6515-01-145-2446INTERCHANGEABLE
BAG,OSTOMY
401539
4320-01-442-1097INTERCHANGEABLE
PUMP,ROTARY
308-9310-098

Frequently Asked Questions

What is NSN 4820-01-341-4268?

NSN 4820-01-341-4268 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 4820-01-341-4268?

NSN 4820-01-341-4268 has 2 cross-referenced part numbers: 40153-901 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40153-9 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-341-4268?

There are 4 known substitutes for 4820-01-341-4268: 6210-00-007-1306, 2915-00-606-3197, 6515-01-145-2446 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40153-901?

Key specifications for 40153-901: Material: PLASTIC TETRAFLUOROETHYLENE PACKING; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: QQ-B-626, ALLOY 360, 1/2H FED SPEC SINGLE MATERIAL RESPONSE BULB; Material: STEEL CORROSION RESISTING STEM. 25 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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