PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40490-905Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-725-5024 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-725-5024 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-725-5024. Primary manufacturer part number: 40490-905.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Valve Loading Method: SPRING
  • Material: RUBBER SYNTHETIC SEAT
  • Material Document and Classification: UNABLE TO DECODE
  • End Connection Quantity: 2
  • Flow Control Device: DISK
  • Valve Stem Design: SINGLE SEAT
  • Material Document and Classification: UNABLE TO DECODE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic Seat construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-725-5024, 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 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-725-5024
Primary Part Number40490-905
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Valve Loading MethodSPRING
MaterialRUBBER SYNTHETIC SEAT
Material Document and ClassificationUNABLE TO DECODE
End Connection Quantity2
Flow Control DeviceDISK
Valve Stem DesignSINGLE SEAT
Material Document and ClassificationUNABLE TO DECODE
Body StyleSTRAIGHT THRU
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-543-4700 INTERCHANGEABLE
Nut,self-Locking,hexagon
2840-00-778-7982404909 INTERCHANGEABLE
Plate,mounting,cooler,coil
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4820-01-340-228640490-9 PART 40490-903 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-482-358640490-902 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-725-4774916-00 INTERCHANGEABLE
Body,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40490-9 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40490-905 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5310-00-543-4700INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
2840-00-778-7982INTERCHANGEABLE
PLATE,MOUNTING,COOLER,COIL
404909
4820-01-340-2286INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-9 PART 40490-903
4820-01-482-3586INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-902
4820-01-725-4774INTERCHANGEABLE
BODY,VALVE
916-00

Frequently Asked Questions

What is NSN 4820-01-725-5024?

NSN 4820-01-725-5024 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 4820-01-725-5024?

NSN 4820-01-725-5024 has 2 cross-referenced part numbers: 40490-9 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40490-905 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-725-5024?

There are 5 known substitutes for 4820-01-725-5024: 5310-00-543-4700, 2840-00-778-7982, 4820-01-340-2286 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40490-905?

Key specifications for 40490-905: Overall Length: 11.8125 INCHES MINIMUM AND 12.0625 INCHES MAXIMUM IN; Valve Loading Method: SPRING; Material: RUBBER SYNTHETIC SEAT; Material Document and Classification: UNABLE TO DECODE. 10 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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