PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40146-105Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-164-7068 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-164-7068 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-164-7068. Primary manufacturer part number: 40146-105.
Features
  • Valve,regulating,temperature — FSC 4820
  • Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
  • Material: COPPER ALLOY 922 BODY
  • First End Flange Shape Style: ROUND W/ BOLT HOLES
  • First End Connection Type: PLAIN FACE FLANGE
  • End Connection Quantity: 2
  • First End Style Designator: PLAIN
  • Body Style: STRAIGHT THRU
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Body construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-164-7068, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-164-7068
Primary Part Number40146-105
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusCANCELLED
Material Document and ClassificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 922 BODY
First End Flange Shape StyleROUND W/ BOLT HOLES
First End Connection TypePLAIN FACE FLANGE
End Connection Quantity2
First End Style DesignatorPLAIN
Body StyleSTRAIGHT THRU
First End Flange Outside Diameter7.000 INCHES NOMINAL IN
Second End Relationship with First EndIDENTICAL
Flow Control DeviceSTEM AND INTEGRAL DISK
Temp AdjustabilityNOT ADJUSTABLE
Face to Face Distance7.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
4820-01-190-6042417-01 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
4820-01-516-086840146-204 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40146-105 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40146-2 1/2IN 6 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40146 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40146-1 ASSY 40146-105 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40146 PT N0 50156-03 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
4016-105 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40146-2 1/2IN 60 TO 100 DEG F 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
4820-01-190-6042INTERCHANGEABLE
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
4820-01-516-0868INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-204
4820-01-516-0871INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-205
4820-01-516-0872INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-206

Frequently Asked Questions

What is NSN 4820-01-164-7068?

NSN 4820-01-164-7068 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: cancelled.

What are the part numbers for NSN 4820-01-164-7068?

NSN 4820-01-164-7068 has 7 cross-referenced part numbers: 40146-105 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40146-2 1/2IN 6 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40146 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40146-1 ASSY 40146-105 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40146 PT N0 50156-03 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc) and 2 more.

What NSN replaces 4820-01-164-7068?

There are 12 known substitutes for 4820-01-164-7068: 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 40146-105?

Key specifications for 40146-105: Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY; Material: COPPER ALLOY 922 BODY; First End Flange Shape Style: ROUND W/ BOLT HOLES; First End Connection Type: PLAIN FACE FLANGE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-164-7068 still in active supply?

NSN 4820-01-164-7068 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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