PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40722-402Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-509-2921 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-509-2921 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-509-2921. Primary manufacturer part number: 40722-402.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Body Style: STRAIGHT THRU
  • Material: NICKEL ALLOY STEM
  • Material Document and Classification: UNABLE TO DECODE
  • Regulation Type: AUTOMATIC SINGLE STAGE
  • Second End Relationship with First End: IDENTICAL
  • Valve Loading Method: SPRING
  • Maximum Inlet Pressure Rating: ERR-060
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Stem construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-509-2921, 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 18 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-509-2921
Primary Part Number40722-402
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Body StyleSTRAIGHT THRU
MaterialNICKEL ALLOY STEM
Material Document and ClassificationUNABLE TO DECODE
Regulation TypeAUTOMATIC SINGLE STAGE
Second End Relationship with First EndIDENTICAL
Valve Loading MethodSPRING
Maximum Inlet Pressure RatingERR-060
First End Nominal Pipe Size Accommodated2.000 INCHES IN
Flow Control DeviceDISK
Media for Which DesignedWATER, SALT
First End Connection TypeUNTHREADED INTERNAL PIPE
Face to Face Distance13.687 INCHES NOMINAL IN
End Connection Quantity2
Second End Nominal Pipe Size Accommodated2.000 INCHES IN
Second End Style DesignatorGASKET SEAL
MaterialCOPPER ALLOY 922 BODY
First End Style DesignatorGASKET SEAL
FilterNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-01-509-16001814-00 INTERCHANGEABLE
Liner,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-509-20621815-00 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-509-25971816-00 INTERCHANGEABLE
Retainer,disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-509-26411813-00 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-509-29991829-00 INTERCHANGEABLE
Stem,support,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5998-01-627-12764072-2-4 INTERCHANGEABLE
Circuit Card Assembly
Astronics Test Systems Inc
4820-01-679-676840722-404 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40722-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40722-402 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40722-4 ASSY 40722-402 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4820-01-509-1600INTERCHANGEABLE
LINER,VALVE
1814-00
4820-01-509-2062INTERCHANGEABLE
SEAT,VALVE
1815-00
4820-01-509-2597INTERCHANGEABLE
RETAINER,DISK,VALVE
1816-00
4820-01-509-2641INTERCHANGEABLE
STEM,FLUID VALVE
1813-00
4820-01-509-2999INTERCHANGEABLE
STEM,SUPPORT,VALVE
1829-00
5998-01-627-1276INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4072-2-4
4820-01-679-6768INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40722-404

Frequently Asked Questions

What is NSN 4820-01-509-2921?

NSN 4820-01-509-2921 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 4820-01-509-2921?

NSN 4820-01-509-2921 has 3 cross-referenced part numbers: 40722-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40722-402 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40722-4 ASSY 40722-402 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-509-2921?

There are 7 known substitutes for 4820-01-509-2921: 4820-01-509-1600, 4820-01-509-2062, 4820-01-509-2597 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40722-402?

Key specifications for 40722-402: Body Style: STRAIGHT THRU; Material: NICKEL ALLOY STEM; Material Document and Classification: UNABLE TO DECODE; Regulation Type: AUTOMATIC SINGLE STAGE. 18 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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