PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40663-501Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-371-4416 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-371-4416 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-371-4416. Primary manufacturer part number: 40663-501.
Features
  • Valve,regulating,temperature — FSC 4820
  • Material: STEEL CORROSION RESISTING BODY
  • Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
  • End Connection Quantity: 3
  • Flow Control Device: PISTON, TOP GUIDED
  • 3 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-371-4416, 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 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-371-4416
Primary Part Number40663-501
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING BODY
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
End Connection Quantity3
Flow Control DevicePISTON, TOP GUIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-01-353-3601406635 INTERCHANGEABLE
Handle,manual Control
Wiggins Lift Co Inc
4820-01-371-2720 INTERCHANGEABLE
Stem,fluid Valve
Cross-Reference Index
Part NumberManufacturer
40663-5 PART 40663-501 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40663-501 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40663-5 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5340-01-353-3601INTERCHANGEABLE
HANDLE,MANUAL CONTROL
406635
4820-01-371-2720INTERCHANGEABLE
STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 4820-01-371-4416?

NSN 4820-01-371-4416 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 4820-01-371-4416?

NSN 4820-01-371-4416 has 3 cross-referenced part numbers: 40663-5 PART 40663-501 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40663-501 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40663-5 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-371-4416?

There are 2 known substitutes for 4820-01-371-4416: 5340-01-353-3601, 4820-01-371-2720. Verify interchangeability with system specifications before substitution.

What are the specifications of 40663-501?

Key specifications for 40663-501: Material: STEEL CORROSION RESISTING BODY; Special Features: VALVE SIZE 6 IN.; 3-WAY FLANGED IN; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; End Connection Quantity: 3. 5 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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