PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40444-408Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-499-3363 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-499-3363 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-499-3363. Primary manufacturer part number: 40444-408.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Nondefinitive Spec/std Data: PE I TYPE
  • Material Document and Classification: UNABLE TO DECODE
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
  • Material: NICKEL ALLOY STEM
  • Body Style: STRAIGHT THRU
  • Flow Control Device: DISK, FLAT, TOP AND BOTTOM GUIDED
  • Valve Loading Method: SPRING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Flow Control Device construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-499-3363, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN4820-01-499-3363
Primary Part Number40444-408
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Nondefinitive Spec/std DataPE I TYPE
Material Document and ClassificationUNABLE TO DECODE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MaterialNICKEL ALLOY STEM
Body StyleSTRAIGHT THRU
Flow Control DeviceDISK, FLAT, TOP AND BOTTOM GUIDED
Valve Loading MethodSPRING
Maximum Inlet Pressure RatingERR-060
End Connection Quantity2
First End Connection TypeUNTHREADED INTERNAL PIPE
MaterialNICKEL ALLOY AND COPPER ALLOY SEAT
Furnished ItemsTAILPIECE AND UNION NUT
Media for Which DesignedWATER, SALT
First End Style DesignatorSOCKET W/BRAZING RING
Renewable Seat Ring TypeTHREADED
Valve Stem DesignSINGLE SEAT
FilterNOT INCLUDED
Outlet Pressure Range50.0 TO 125.0 CAMERA MOUNT
Remote Actuation MethodDIAPHRAGM
Face to Face Distance11.938 INCHES NOMINAL IN
First End Nominal Pipe Size Accommodated1.500 INCHES IN
Regulation TypeAUTOMATIC SINGLE STAGE
Second End Relationship with First EndIDENTICAL
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
4820-01-207-961140401-408 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
IIS64-300B Shipyard Supply Co. (USA)
40444-4 ASSY 40444-408 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40444-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
MIL-V-2042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASTM-F1370 American Society for Testing and Materials Dba Astm International (USA)
40444-408 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co 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
4820-01-207-9611INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40401-408
4820-01-213-7978INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
406-202
4820-01-290-1055INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40444-404

Frequently Asked Questions

What is NSN 4820-01-499-3363?

NSN 4820-01-499-3363 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 4820-01-499-3363?

NSN 4820-01-499-3363 has 6 cross-referenced part numbers: IIS64-300B (Shipyard Supply Co.), 40444-4 ASSY 40444-408 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40444-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), MIL-V-2042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM-F1370 (American Society for Testing and Materials Dba Astm International) and 1 more.

What NSN replaces 4820-01-499-3363?

There are 12 known substitutes for 4820-01-499-3363: 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 40444-408?

Key specifications for 40444-408: Nondefinitive Spec/std Data: PE I TYPE; Material Document and Classification: UNABLE TO DECODE; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE; Material: NICKEL ALLOY STEM. 26 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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