PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1563-00Disk,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-442-4500 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-442-4500 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-442-4500. Primary manufacturer part number: 1563-00.
Features
  • Disk,valve — FSC 4820
  • Material: COPPER ALLOY
  • 3 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 construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-442-4500, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-442-4500
Primary Part Number1563-00
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5985-00-432-765440673-1 INTERCHANGEABLE
Attenuator,variable
The Dewey Electronics Corporation
5340-00-651-7134156300 INTERCHANGEABLE
Standoff,threaded,spacing
Telemechanics Inc
4820-01-106-0823161 INTERCHANGEABLE
Guide,piston
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-108-3913165 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
1560-01-375-608540673-1 INTERCHANGEABLE
Door,access,aircraft
Fleet Readiness Center East Div Department of Navy
3010-01-441-633960498-00 INTERCHANGEABLE
Bellows,pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-442-449840673-101 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40673-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1563-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40673-1 ITEM 22 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5985-00-432-7654INTERCHANGEABLE
ATTENUATOR,VARIABLE
40673-1
5340-00-651-7134INTERCHANGEABLE
STANDOFF,THREADED,SPACING
156300
4820-01-106-0823INTERCHANGEABLE
GUIDE,PISTON
161
4820-01-108-3913INTERCHANGEABLE
SEAT,VALVE
165
1560-01-375-6085INTERCHANGEABLE
DOOR,ACCESS,AIRCRAFT
40673-1
3010-01-441-6339INTERCHANGEABLE
BELLOWS,PRESSURE
60498-00
4820-01-442-4498INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40673-101

Frequently Asked Questions

What is NSN 4820-01-442-4500?

NSN 4820-01-442-4500 is a Disk,valve, 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 4820-01-442-4500?

NSN 4820-01-442-4500 has 3 cross-referenced part numbers: 40673-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1563-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40673-1 ITEM 22 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-442-4500?

There are 7 known substitutes for 4820-01-442-4500: 5985-00-432-7654, 5340-00-651-7134, 4820-01-106-0823 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1563-00?

Key specifications for 1563-00: End Item Identification: SEAWOLF CLASS SSN; Special Features: USED ON 2IN. TRAC STYLE "D" 3-WAY THERMOSTATIC TEMPERATURE REGULATOR VALVE IN; Material: COPPER ALLOY. 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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