PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40402-408Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-367-5479 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-367-5479 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-367-5479. Primary manufacturer part number: 40402-408.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • First End Nominal Pipe Size Accommodated: 2.000 INCHES IN
  • Valve Loading Method: SPRING
  • Media for Which Designed: WATER, SALT
  • Regulation Type: AUTOMATIC SINGLE STAGE
  • Flow Control Device: DISK
  • Body Style: STRAIGHT THRU
  • Material: NICKEL ALLOY STEM
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 4820-01-367-5479, 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 17 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-367-5479
Primary Part Number40402-408
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
First End Nominal Pipe Size Accommodated2.000 INCHES IN
Valve Loading MethodSPRING
Media for Which DesignedWATER, SALT
Regulation TypeAUTOMATIC SINGLE STAGE
Flow Control DeviceDISK
Body StyleSTRAIGHT THRU
MaterialNICKEL ALLOY STEM
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
MaterialNICKEL ALLOY AND COPPER ALLOY SEAT
First End Connection TypeUNTHREADED INTERNAL PIPE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
End Connection Quantity2
First End Style DesignatorSOCKET W/BRAZING RING
FilterNOT INCLUDED
Second End Relationship with First EndIDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-155-665303991 INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc. Dba Yale Materials Handling
3110-00-554-56371305MF-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
4820-01-384-636540402-407 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-398-845740402-4 ASSY 40402-405 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-467-7109768-04 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-472-907940402-415 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-473-201540402-414 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5935-01-477-7230404024 INTERCHANGEABLE
Adapter,connector
Micro Processor Systems Inc
4820-01-493-820940402-417 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40402-408 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40402-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3110-00-155-6653INTERCHANGEABLE
BEARING,BALL,ANNULAR
03991
3110-00-554-5637INTERCHANGEABLE
BEARING,BALL,ANNULAR
1305MF-1B1
4820-01-384-6365INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40402-407
4820-01-398-8457INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40402-4 ASSY 40402-405
4820-01-467-7109INTERCHANGEABLE
SEAT,VALVE
768-04
4820-01-472-9079INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40402-415
4820-01-473-2015INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40402-414
5935-01-477-7230INTERCHANGEABLE
ADAPTER,CONNECTOR
404024
4820-01-493-8209INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40402-417

Frequently Asked Questions

What is NSN 4820-01-367-5479?

NSN 4820-01-367-5479 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 4820-01-367-5479?

NSN 4820-01-367-5479 has 2 cross-referenced part numbers: 40402-408 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40402-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-367-5479?

There are 9 known substitutes for 4820-01-367-5479: 3110-00-155-6653, 3110-00-554-5637, 4820-01-384-6365 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40402-408?

Key specifications for 40402-408: First End Nominal Pipe Size Accommodated: 2.000 INCHES IN; Valve Loading Method: SPRING; Media for Which Designed: WATER, SALT; Regulation Type: AUTOMATIC SINGLE STAGE. 17 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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