PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40106-1 ASSY 40106-103Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-516-3747 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-516-3747 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-516-3747. Primary manufacturer part number: 40106-1 ASSY 40106-103.
Features
  • Valve,regulating,temperature — FSC 4820
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
  • Material: COPPER ALLOY BODY
  • Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
  • Material: NICKEL ALLOY STEM
  • Material: PLASTIC TETRAFLUOROETHYLENE PACKING
  • Material: NICKEL ALLOY SEAT
  • Two-Way Valve Action: REVERSE ACTING
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 4820-01-516-3747, 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 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-516-3747
Primary Part Number40106-1 ASSY 40106-103
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MaterialCOPPER ALLOY BODY
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MaterialNICKEL ALLOY STEM
MaterialPLASTIC TETRAFLUOROETHYLENE PACKING
MaterialNICKEL ALLOY SEAT
Two-Way Valve ActionREVERSE ACTING
Valve Size2.000 INCHES IN
Flow Control DeviceDOUBLE SEATED
Maximum Inlet Pressure RatingERR-060
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3120-00-404-9642401061 INTERCHANGEABLE
Bearing,sleeve
Vibratech Inc
5305-00-618-456831W3133 INTERCHANGEABLE
Screw Asy
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5365-01-515-9147146-05 INTERCHANGEABLE
Bushing,tapered
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-516-373440106-1 PC NO 18 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3110-01-546-392140106-1 INTERCHANGEABLE
Seat,bearing
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
Cross-Reference Index
Part NumberManufacturer
40106-1 ASSY 40106-103 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40106-103 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40106-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3120-00-404-9642INTERCHANGEABLE
BEARING,SLEEVE
401061
5305-00-618-4568INTERCHANGEABLE
SCREW ASY
31W3133
5365-01-515-9147INTERCHANGEABLE
BUSHING,TAPERED
146-05
4820-01-516-3734INTERCHANGEABLE
STEM,FLUID VALVE
40106-1 PC NO 18
3110-01-546-3921INTERCHANGEABLE
SEAT,BEARING
40106-1

Frequently Asked Questions

What is NSN 4820-01-516-3747?

NSN 4820-01-516-3747 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 4820-01-516-3747?

NSN 4820-01-516-3747 has 3 cross-referenced part numbers: 40106-1 ASSY 40106-103 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40106-103 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40106-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-516-3747?

There are 5 known substitutes for 4820-01-516-3747: 3120-00-404-9642, 5305-00-618-4568, 5365-01-515-9147 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40106-1 ASSY 40106-103?

Key specifications for 40106-1 ASSY 40106-103: Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM; Material: COPPER ALLOY BODY; Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Material: NICKEL ALLOY STEM. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com