PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40425-802Valve,regulating,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-275-5238 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-275-5238 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-275-5238. Primary manufacturer part number: 40425-802.
Features
  • Valve,regulating,temperature — FSC 4820
  • Material: COPPER ALLOY PACKING
  • Material: COPPER ALLOY BODY
  • 2 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Packing construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-275-5238, 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 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-275-5238
Primary Part Number40425-802
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialCOPPER ALLOY PACKING
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-779-7409404258 INTERCHANGEABLE
Elbow,flange to Tube
Rtx Corporation Div Pratt & Whitney
4820-01-274-4828510-01 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40425-802 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40425-8 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4730-00-779-7409INTERCHANGEABLE
ELBOW,FLANGE TO TUBE
404258
4820-01-274-4828INTERCHANGEABLE
STEM,FLUID VALVE
510-01

Frequently Asked Questions

What is NSN 4820-01-275-5238?

NSN 4820-01-275-5238 is a Valve,regulating,temperature, 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 4820-01-275-5238?

NSN 4820-01-275-5238 has 2 cross-referenced part numbers: 40425-802 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40425-8 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-275-5238?

There are 2 known substitutes for 4820-01-275-5238: 4730-00-779-7409, 4820-01-274-4828. Verify interchangeability with system specifications before substitution.

What are the specifications of 40425-802?

Key specifications for 40425-802: Special Features: VALVE SIZE 2.000 IN. IN; Material: COPPER ALLOY PACKING; Material: COPPER ALLOY BODY. 3 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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