PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40402-104Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-240-6803 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-240-6803 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-240-6803. Primary manufacturer part number: 40402-104.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: COPPER ALLOY BODY
  • End Connection Quantity: 2
  • Media for Which Designed: WATER, SALT
  • Regulation Type: AUTOMATIC SINGLE STAGE
  • First End Connection Type: UNTHREADED INTERNAL PIPE
  • Face to Face Distance: 10.000 INCHES NOMINAL IN
  • Valve Loading Method: SPRING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-240-6803, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-240-6803
Primary Part Number40402-104
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialCOPPER ALLOY BODY
End Connection Quantity2
Media for Which DesignedWATER, SALT
Regulation TypeAUTOMATIC SINGLE STAGE
First End Connection TypeUNTHREADED INTERNAL PIPE
Face to Face Distance10.000 INCHES NOMINAL IN
Valve Loading MethodSPRING
First End Style DesignatorSOCKET
First End Nominal Pipe Size Accommodated2.000 INCHES IN
Second End Relationship with First EndIDENTICAL
FilterNOT INCLUDED
Flow Control DeviceDIAPHRAGM
Outlet Pressure Range85.0 TO 125.0 CAMERA MOUNT
Maximum Inlet Pressure RatingERR-060
Body StyleSTRAIGHT THRU
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-589-5335MS21209C1-10 INTERCHANGEABLE
Insert,screw Thread
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5935-00-790-8947712268-4 INTERCHANGEABLE
Connector,receptacle,electrical
Raytheon Company Div Rmd Strategic
2915-00-798-8549404021 INTERCHANGEABLE
Shaft
Woodward, Inc. Div Fuel Systems and Controls
Cross-Reference Index
Part NumberManufacturer
40402-104 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40402-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5325-00-589-5335INTERCHANGEABLE
INSERT,SCREW THREAD
MS21209C1-10
5935-00-790-8947INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
712268-4
2915-00-798-8549INTERCHANGEABLE
SHAFT
404021

Frequently Asked Questions

What is NSN 4820-01-240-6803?

NSN 4820-01-240-6803 is a Valve,regulating,fluid Pressure, 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 4820-01-240-6803?

NSN 4820-01-240-6803 has 2 cross-referenced part numbers: 40402-104 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40402-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-240-6803?

There are 3 known substitutes for 4820-01-240-6803: 5325-00-589-5335, 5935-00-790-8947, 2915-00-798-8549. Verify interchangeability with system specifications before substitution.

What are the specifications of 40402-104?

Key specifications for 40402-104: Material: COPPER ALLOY BODY; End Connection Quantity: 2; Media for Which Designed: WATER, SALT; Regulation Type: AUTOMATIC SINGLE STAGE. 15 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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