PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40146-204Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-516-0868 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-516-0868 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-516-0868. Primary manufacturer part number: 40146-204.
Features
  • Valve,regulating,temperature — FSC 4820
  • 2 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
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-516-0868, 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. This item has 2 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
NSN4820-01-516-0868
Primary Part Number40146-204
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-042-8790 INTERCHANGEABLE
Teletypewriter Subassembly
5985-00-099-395040146 INTERCHANGEABLE
Waveguide Assembly
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-678-1113 INTERCHANGEABLE
Seal,plain Encased
4130-00-714-0794 INTERCHANGEABLE
Manifold,charging and Testing,re
5950-01-005-15322534808 INTERCHANGEABLE
Transformer,pulse
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-164-706840146-105 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-190-6042417-01 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5120-01-431-3933 INTERCHANGEABLE
Socket,socket Wrench
6550-01-449-7157R40146 INTERCHANGEABLE
Control Slide,acid Fast
Remel Inc.
4820-01-516-086740146-203 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40146-204 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40146 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5815-00-042-8790INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5985-00-099-3950INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
40146
5330-00-678-1113INTERCHANGEABLE
SEAL,PLAIN ENCASED
4130-00-714-0794INTERCHANGEABLE
MANIFOLD,CHARGING AND TESTING,RE
5950-01-005-1532INTERCHANGEABLE
TRANSFORMER,PULSE
2534808
4820-01-164-7068INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-105
4820-01-190-6042INTERCHANGEABLE
STEM,FLUID VALVE
417-01
5120-01-431-3933INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6550-01-449-7157INTERCHANGEABLE
CONTROL SLIDE,ACID FAST
R40146
4820-01-516-0867INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-203
4820-01-516-0871INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-205
4820-01-516-0872INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-206

Frequently Asked Questions

What is NSN 4820-01-516-0868?

NSN 4820-01-516-0868 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 4820-01-516-0868?

NSN 4820-01-516-0868 has 2 cross-referenced part numbers: 40146-204 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40146 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-516-0868?

There are 12 known substitutes for 4820-01-516-0868: 5815-00-042-8790, 5985-00-099-3950, 5330-00-678-1113 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40146-204?

Key specifications for 40146-204: End Item Identification: E/I VALVE TEMPERATURE REQULATOR; W/S NIMITZ CLASS CVN. 1 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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