PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

406-202Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-213-7978 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-213-7978 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-213-7978. Primary manufacturer part number: 406-202.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Regulation Type: AUTOMATIC SINGLE STAGE
  • First End Connection Type: PLAIN FACE FLANGE
  • First End Bolt Hole Diameter: 0.688 INCHES NOMINAL IN
  • First End Style Designator: PLAIN
  • Outlet Pressure Range: 25.0 TO 60.0 CAMERA MOUNT
  • Body Style: STRAIGHT THRU
  • First End Flange Outside Diameter: 7.688 INCHES NOMINAL IN
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 4820-01-213-7978, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN4820-01-213-7978
Primary Part Number406-202
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Regulation TypeAUTOMATIC SINGLE STAGE
First End Connection TypePLAIN FACE FLANGE
First End Bolt Hole Diameter0.688 INCHES NOMINAL IN
First End Style DesignatorPLAIN
Outlet Pressure Range25.0 TO 60.0 CAMERA MOUNT
Body StyleSTRAIGHT THRU
First End Flange Outside Diameter7.688 INCHES NOMINAL IN
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Nondefinitive Spec/std Data2 TYPE AND 250 CLASS
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
MaterialNICKEL ALLOY STEM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
Maximum Inlet Pressure RatingERR-060
End Connection Quantity2
FilterNOT INCLUDED
Flow Control DeviceDISK, FLAT, TOP AND BOTTOM GUIDED
First End Flange Shape StyleROUND W/ BOLT HOLES
Face to Face Distance14.500 INCHES NOMINAL IN
First End Bolt Hole Quantity8
Media for Which DesignedWATER, SALT
First End Flange Thickness1.000 INCHES NOMINAL IN
Second End Relationship with First EndIDENTICAL
First End Bolt Circle Diameter6.562 INCHES NOMINAL IN
MaterialNICKEL ALLOY AND COPPER ALLOY SEAT
Valve Stem DesignSINGLE SEAT
Valve Loading MethodSPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-181-891230807020 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Warren Controls, Inc.
4820-00-181-8934ASTM F 1370-2GF1B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-00-181-8937ASTM F 1370 2KF1B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-00-256-6546ASTM F 1370-2HF1A INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-00-892-5429ASTM F 1370-2CU1B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-01-036-1077ASTM F1370-2JF1A INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-01-131-752230805262-3/4TYPE 436-5T60PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Warren Controls, Inc.
4820-01-147-1354ASTM F1370 2MF1B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-01-171-6702ASTM-F1370-2HU2B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
6610-01-179-011640-620-2 INTERCHANGEABLE
Indicator,position
Meggitt (new Hampshire), Inc
Cross-Reference Index
Part NumberManufacturer
ASTM F 1370 American Society for Testing and Materials Dba Astm International (USA)
406-202 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
ASTM F 1370-2MF2B American Society for Testing and Materials Dba Astm International (USA)
MIL-V-2042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
30 4IN 250PSI CDSN672 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
436 25T60PSI 250FLG 4IN Warren Controls, Inc. (USA)
Related Parts
4820-00-181-8912INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30807020
4820-00-181-8934INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370-2GF1B
4820-00-181-8937INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370 2KF1B
4820-00-256-6546INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370-2HF1A
4820-00-892-5429INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370-2CU1B
4820-01-036-1077INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F1370-2JF1A
4820-01-131-7522INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30805262-3/4TYPE 436-5T60PSI
4820-01-147-1354INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F1370 2MF1B
4820-01-171-6702INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM-F1370-2HU2B
6610-01-179-0116INTERCHANGEABLE
INDICATOR,POSITION
40-620-2
4820-01-207-9611INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40401-408
4820-01-354-2731INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370 2AU1A

Frequently Asked Questions

What is NSN 4820-01-213-7978?

NSN 4820-01-213-7978 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 4820-01-213-7978?

NSN 4820-01-213-7978 has 6 cross-referenced part numbers: ASTM F 1370 (American Society for Testing and Materials Dba Astm International), 406-202 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), ASTM F 1370-2MF2B (American Society for Testing and Materials Dba Astm International), MIL-V-2042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 30 4IN 250PSI CDSN672 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 1 more.

What NSN replaces 4820-01-213-7978?

There are 12 known substitutes for 4820-01-213-7978: 4820-00-181-8912, 4820-00-181-8934, 4820-00-181-8937 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 406-202?

Key specifications for 406-202: Regulation Type: AUTOMATIC SINGLE STAGE; First End Connection Type: PLAIN FACE FLANGE; First End Bolt Hole Diameter: 0.688 INCHES NOMINAL IN; First End Style Designator: PLAIN. 27 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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