PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

768-04Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-467-7109 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-467-7109 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-467-7109. Primary manufacturer part number: 768-04.
Features
  • Seat,valve — FSC 4820
  • Material: NICKEL ALLOY SEAT
  • Style Designator: THREADED FLANGED
  • Flange Seat to Disk End Height: 0.156 INCHES NOMINAL IN
  • Under Flange Height: 0.0315 INCHES NOMINAL IN
  • Seating Surface Shape: O-RING
  • Body Inside Diameter: 2.007 INCHES NOMINAL IN
  • Flange Diameter: 2.750 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-467-7109, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-467-7109
Primary Part Number768-04
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusCANCELLED
MaterialNICKEL ALLOY SEAT
Style DesignatorTHREADED FLANGED
Flange Seat to Disk End Height0.156 INCHES NOMINAL IN
Under Flange Height0.0315 INCHES NOMINAL IN
Seating Surface ShapeO-RING
Body Inside Diameter2.007 INCHES NOMINAL IN
Flange Diameter2.750 INCHES NOMINAL IN
Seal Accommodation TypeGROOVED
Material Document and ClassificationASTM-A494 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-155-665303991 INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5360-00-525-2849 INTERCHANGEABLE
Spring,helical,extension
3110-00-554-56371305MF-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5840-01-046-898476804 INTERCHANGEABLE
Housing,actuator
L3harris Technologies, Inc Div Space & Airborne Systems
4820-01-133-2444762-00 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-133-7732 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5840-01-212-5296 INTERCHANGEABLE
Modulator,radar
4820-01-367-547940402-408 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
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
Cross-Reference Index
Part NumberManufacturer
768-04 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40402-01 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40402-4 FIND 44 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40402-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40402-01 PART 768 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3110-00-155-6653INTERCHANGEABLE
BEARING,BALL,ANNULAR
03991
5360-00-525-2849INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
3110-00-554-5637INTERCHANGEABLE
BEARING,BALL,ANNULAR
1305MF-1B1
5840-01-046-8984INTERCHANGEABLE
HOUSING,ACTUATOR
76804
4820-01-133-2444INTERCHANGEABLE
STEM,FLUID VALVE
762-00
4820-01-133-7732INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5840-01-212-5296INTERCHANGEABLE
MODULATOR,RADAR
4820-01-367-5479INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40402-408
4820-01-384-6365INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40402-407
4820-01-398-8457INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40402-4 ASSY 40402-405

Frequently Asked Questions

What is NSN 4820-01-467-7109?

NSN 4820-01-467-7109 is a Seat,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-467-7109?

NSN 4820-01-467-7109 has 5 cross-referenced part numbers: 768-04 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40402-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40402-4 FIND 44 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40402-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40402-01 PART 768 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-467-7109?

There are 10 known substitutes for 4820-01-467-7109: 3110-00-155-6653, 5360-00-525-2849, 3110-00-554-5637 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 768-04?

Key specifications for 768-04: Material: NICKEL ALLOY SEAT; Style Designator: THREADED FLANGED; Flange Seat to Disk End Height: 0.156 INCHES NOMINAL IN; Special Features: 2 1/2-16 THREADS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-467-7109 still in active supply?

NSN 4820-01-467-7109 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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