PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40177-105Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-329-3495 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-329-3495 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-329-3495. Primary manufacturer part number: 40177-105.
Features
  • Valve,regulating,temperature — FSC 4820
  • Face to Face Distance: 9.500 INCHES NOMINAL IN
  • First Connection Face to Centerline Distance: 5.250 INCHES NOMINAL IN
  • First End Style Designator: PLAIN
  • Material: COPPER ALLOY BODY
  • First End Connection Type: PLAIN FACE FLANGE
  • First End Bolt Hole Diameter: 0.562 INCHES NOMINAL IN
  • Thermostatic Element: LIQUID IMMERSION TYPE
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 4820-01-329-3495, 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 27 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-329-3495
Primary Part Number40177-105
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Face to Face Distance9.500 INCHES NOMINAL IN
First Connection Face to Centerline Distance5.250 INCHES NOMINAL IN
First End Style DesignatorPLAIN
MaterialCOPPER ALLOY BODY
First End Connection TypePLAIN FACE FLANGE
First End Bolt Hole Diameter0.562 INCHES NOMINAL IN
Thermostatic ElementLIQUID IMMERSION TYPE
End Connection Quantity3
MaterialCOPPER ALLOY BULB
Bulb Diameter1.000 INCHES NOMINAL IN
Temp Rating120.0 FAHRENHEIT NOMINAL DEGF
MaterialCOPPER ALLOY SEAT
Flow Control DeviceDISK
First End Bolt Hole Quantity8
Second End Relationship with First EndIDENTICAL
Third End Relationship with Preceding EndsIDENTICAL WITH FIRST END
Bulb Length19.000 INCHES NOMINAL IN
First End Flange Shape StyleROUND W/ BOLT HOLES
First End Bolt Circle Diameter5.500 INCHES NOMINAL IN
First End Flange Outside Diameter3.500 INCHES NOMINAL IN
First End Flange Thickness0.500 INCHES NOMINAL IN
Capillary Tube Length120.000 INCHES NOMINAL IN
Body StyleTEE
Temp AdjustabilityADJUSTABLE
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
MaterialSTEEL CORROSION RESISTING STEM
MaterialRUBBER CHLOROPRENE CLASS CR PACKING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5360-00-516-74665167466 INTERCHANGEABLE
Spring,helical,extension
U S Army Tank Automotive Command Amsta-Im-Mm
6105-01-165-692324729-991 INTERCHANGEABLE
Motor,direct Current
Amz Alabama Inc.
Cross-Reference Index
Part NumberManufacturer
40177-105 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40177-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5360-00-516-7466INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5167466
6105-01-165-6923INTERCHANGEABLE
MOTOR,DIRECT CURRENT
24729-991

Frequently Asked Questions

What is NSN 4820-01-329-3495?

NSN 4820-01-329-3495 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 4820-01-329-3495?

NSN 4820-01-329-3495 has 2 cross-referenced part numbers: 40177-105 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40177-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-329-3495?

There are 2 known substitutes for 4820-01-329-3495: 5360-00-516-7466, 6105-01-165-6923. Verify interchangeability with system specifications before substitution.

What are the specifications of 40177-105?

Key specifications for 40177-105: Face to Face Distance: 9.500 INCHES NOMINAL IN; First Connection Face to Centerline Distance: 5.250 INCHES NOMINAL IN; First End Style Designator: PLAIN; Material: COPPER ALLOY BODY. 28 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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