PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40084-802Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-325-9042 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-325-9042 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-325-9042. Primary manufacturer part number: 40084-802.
Features
  • Valve,regulating,temperature — FSC 4820
  • Nondefinitive Spec/std Data: 1 TYPE
  • Specification/standard Data: 81349-MIL-V-19772A GOVERNMENT SPECIFICATION A
  • Flow Control Device: PISTON, SPRING LOADED
  • Body Style: TEE
  • Temp Adjustability: ADJUSTABLE
  • End Connection Quantity: 3
  • Temp Rating: 425.0 FAHRENHEIT NOMINAL DEGF
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 4820-01-325-9042, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-325-9042
Primary Part Number40084-802
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Nondefinitive Spec/std Data1 TYPE
Specification/standard Data81349-MIL-V-19772A GOVERNMENT SPECIFICATION A
Flow Control DevicePISTON, SPRING LOADED
Body StyleTEE
Temp AdjustabilityADJUSTABLE
End Connection Quantity3
Temp Rating425.0 FAHRENHEIT NOMINAL DEGF
Second End Relationship with First EndIDENTICAL
First End Style DesignatorSOCKET W/BRAZING RING
First End Connection TypeUNTHREADED INTERNAL TUBE
Third End Relationship with Preceding EndsIDENTICAL WITH FIRST END
MaterialCOPPER ALLOY BODY
First End Outside Diameter Tube Accommodated1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-919-7671020-011-000 INTERCHANGEABLE
Transformer,power
Meggitt Safety Systems Inc
5835-01-105-617042113 INTERCHANGEABLE
Tape Break Sensor
Dictaphone Corporation
5961-01-124-0626 INTERCHANGEABLE
Transistor
4730-01-256-352432115 ITEM 9 INTERCHANGEABLE
Strainer Element,sediment
Tate Andale, Llc
4820-01-315-259840174-401 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5330-01-387-197440084 NON-ASBESTOS INTERCHANGEABLE
Gasket
Sullair Corp
4820-01-449-210340054-407 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
8465-01-541-798740084 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
5985-01-543-32744008-4 INTERCHANGEABLE
Mast Section
Shakespeare Electronic Products Group
1265-01-550-3582 INTERCHANGEABLE
Transmitter,laser
Cross-Reference Index
Part NumberManufacturer
MIL-V-19772A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
40084 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
MIL-DTL-19772 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
40084-8 ITEM 40084-802 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40084-802 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5950-00-919-7671INTERCHANGEABLE
TRANSFORMER,POWER
020-011-000
5835-01-105-6170INTERCHANGEABLE
TAPE BREAK SENSOR
42113
5961-01-124-0626INTERCHANGEABLE
TRANSISTOR
4730-01-256-3524INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
32115 ITEM 9
4820-01-315-2598INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40174-401
5330-01-387-1974INTERCHANGEABLE
GASKET
40084 NON-ASBESTOS
4820-01-449-2103INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40054-407
8465-01-541-7987INTERCHANGEABLE
HYDRATION SYSTEM
40084
5985-01-543-3274INTERCHANGEABLE
MAST SECTION
4008-4
1265-01-550-3582INTERCHANGEABLE
TRANSMITTER,LASER
4820-01-583-1579INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40057-202

Frequently Asked Questions

What is NSN 4820-01-325-9042?

NSN 4820-01-325-9042 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 4820-01-325-9042?

NSN 4820-01-325-9042 has 5 cross-referenced part numbers: MIL-V-19772A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 40084 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), MIL-DTL-19772 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 40084-8 ITEM 40084-802 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40084-802 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-325-9042?

There are 11 known substitutes for 4820-01-325-9042: 5950-00-919-7671, 5835-01-105-6170, 5961-01-124-0626 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40084-802?

Key specifications for 40084-802: Nondefinitive Spec/std Data: 1 TYPE; Specification/standard Data: 81349-MIL-V-19772A GOVERNMENT SPECIFICATION A; Flow Control Device: PISTON, SPRING LOADED; Body Style: TEE. 13 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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