PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

165-00Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-108-3913 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-108-3913 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-108-3913. Primary manufacturer part number: 165-00.
Features
  • Seat,valve — FSC 4820
  • Material: COPPER ALLOY OVERALL
  • 5 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 Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-108-3913, 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 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-108-3913
Primary Part Number165-00
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-116-326516500 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
4820-00-349-896816500 INTERCHANGEABLE
Valve,stop-Lift-Check
Michigan Dynamics Inc
5985-00-432-765440673-1 INTERCHANGEABLE
Attenuator,variable
The Dewey Electronics Corporation
6105-00-439-5195 INTERCHANGEABLE
End Bell,electrical Rotating Equ
5985-00-903-8059313C00100 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Dow-Key Microwave Llc
4820-01-106-0823161 INTERCHANGEABLE
Guide,piston
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
2530-01-114-200616500 INTERCHANGEABLE
Valve,steering Selector
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
6630-01-196-348316500-10 INTERCHANGEABLE
Reactor,chemical Oxygen Demand
Hach Company Dba Hach Co
5940-01-290-2813 INTERCHANGEABLE
Terminal Board
1560-01-375-608540673-1 INTERCHANGEABLE
Door,access,aircraft
Fleet Readiness Center East Div Department of Navy
Cross-Reference Index
Part NumberManufacturer
165-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40673-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40673-1 ITEM 35 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
165 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40175-01 FIND NO 24 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3040-00-116-3265INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
16500
4820-00-349-8968INTERCHANGEABLE
VALVE,STOP-LIFT-CHECK
16500
5985-00-432-7654INTERCHANGEABLE
ATTENUATOR,VARIABLE
40673-1
6105-00-439-5195INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
5985-00-903-8059INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
313C00100
4820-01-106-0823INTERCHANGEABLE
GUIDE,PISTON
161
2530-01-114-2006INTERCHANGEABLE
VALVE,STEERING SELECTOR
16500
6630-01-196-3483INTERCHANGEABLE
REACTOR,CHEMICAL OXYGEN DEMAND
16500-10
5940-01-290-2813INTERCHANGEABLE
TERMINAL BOARD
1560-01-375-6085INTERCHANGEABLE
DOOR,ACCESS,AIRCRAFT
40673-1
4940-01-387-0948INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
3010-01-441-6339INTERCHANGEABLE
BELLOWS,PRESSURE
60498-00

Frequently Asked Questions

What is NSN 4820-01-108-3913?

NSN 4820-01-108-3913 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 4820-01-108-3913?

NSN 4820-01-108-3913 has 5 cross-referenced part numbers: 165-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40673-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40673-1 ITEM 35 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 165 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40175-01 FIND NO 24 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-108-3913?

There are 12 known substitutes for 4820-01-108-3913: 3040-00-116-3265, 4820-00-349-8968, 5985-00-432-7654 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 165-00?

Key specifications for 165-00: Material: COPPER ALLOY OVERALL. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-108-3913 still in active supply?

NSN 4820-01-108-3913 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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