PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40444-404Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-290-1055 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-290-1055 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-290-1055. Primary manufacturer part number: 40444-404.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Outlet Pressure Range: 85.0 TO 125.0 CAMERA MOUNT
  • Second End Relationship with First End: IDENTICAL
  • Media for Which Designed: WATER, SALT
  • Material: NICKEL ALLOY STEM
  • Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
  • Body Style: STRAIGHT THRU
  • Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
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 4820-01-290-1055, 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 20 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-290-1055
Primary Part Number40444-404
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Outlet Pressure Range85.0 TO 125.0 CAMERA MOUNT
Second End Relationship with First EndIDENTICAL
Media for Which DesignedWATER, SALT
MaterialNICKEL ALLOY STEM
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
Body StyleSTRAIGHT THRU
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MaterialRUBBER SYNTHETIC FLOW CONTROL DEVICE
Material Document and ClassificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Material Document and ClassificationMIL-D-17650 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
First End Style DesignatorSTREAMLINED WITH ONE BRAZING RING
End Connection Quantity2
Regulation TypeAUTOMATIC SINGLE STAGE
Flow Control DeviceDISK
Maximum Inlet Pressure RatingERR-060
First End Connection TypeUNTHREADED INTERNAL PIPE
Valve Loading MethodSPRING
FilterNOT INCLUDED
MaterialNICKEL ALLOY AND COPPER ALLOY SEAT
First End Nominal Pipe Size Accommodated1.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-480-6689800659 INTERCHANGEABLE
Valve,regulating,system Pressure
Lee Evans Defense Pool Inc
4730-01-491-2301190-00 INTERCHANGEABLE
Tailpiece,union
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4730-01-491-2628196-00 INTERCHANGEABLE
Nut,union
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-499-336340444-408 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40444-404 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40444-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40444-4 ITEM 40444-404 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4820-01-480-6689INTERCHANGEABLE
VALVE,REGULATING,SYSTEM PRESSURE
800659
4730-01-491-2301INTERCHANGEABLE
TAILPIECE,UNION
190-00
4730-01-491-2628INTERCHANGEABLE
NUT,UNION
196-00
4820-01-499-3363INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40444-408

Frequently Asked Questions

What is NSN 4820-01-290-1055?

NSN 4820-01-290-1055 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 4820-01-290-1055?

NSN 4820-01-290-1055 has 3 cross-referenced part numbers: 40444-404 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40444-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40444-4 ITEM 40444-404 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-290-1055?

There are 4 known substitutes for 4820-01-290-1055: 4820-01-480-6689, 4730-01-491-2301, 4730-01-491-2628 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40444-404?

Key specifications for 40444-404: Outlet Pressure Range: 85.0 TO 125.0 CAMERA MOUNT; Second End Relationship with First End: IDENTICAL; Media for Which Designed: WATER, SALT; Material: NICKEL ALLOY STEM. 20 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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