PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

842-01Disk,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-414-8109 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-414-8109 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-414-8109. Primary manufacturer part number: 842-01.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 5.000 INCHES NOMINAL IN
  • Media for Which Designed: WATER, SALT
  • Style Designator: PLAIN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Inside Diameter: 0.8438 INCHES NOMINAL IN
  • 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 Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-414-8109, 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 5 verified specifications, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-414-8109
Primary Part Number842-01
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Outside Diameter5.000 INCHES NOMINAL IN
Media for Which DesignedWATER, SALT
Style DesignatorPLAIN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Inside Diameter0.8438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-554-3468 INTERCHANGEABLE
Bearing,ball,annular
5935-01-122-803431-8420-1 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5945-01-167-8045404061 INTERCHANGEABLE
Relay,reed
Fluke Corp
4820-01-221-8874841-00 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5935-01-297-8529404061 INTERCHANGEABLE
Connector,plug,electrical
Barber-Nichols, Llc
4820-01-414-6824843-01 INTERCHANGEABLE
Retainer,disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-414-8105839-01 INTERCHANGEABLE
Body,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-415-107740406-108 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6105-01-426-0582 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
842-01 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40406-1 PC 26 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40406-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3110-00-554-3468INTERCHANGEABLE
BEARING,BALL,ANNULAR
5935-01-122-8034INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31-8420-1
5945-01-167-8045INTERCHANGEABLE
RELAY,REED
404061
4820-01-221-8874INTERCHANGEABLE
SEAT,VALVE
841-00
5935-01-297-8529INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
404061
4820-01-414-6824INTERCHANGEABLE
RETAINER,DISK,VALVE
843-01
4820-01-414-8105INTERCHANGEABLE
BODY,VALVE
839-01
4820-01-415-1077INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40406-108
6105-01-426-0582INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 4820-01-414-8109?

NSN 4820-01-414-8109 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 4820-01-414-8109?

NSN 4820-01-414-8109 has 3 cross-referenced part numbers: 842-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40406-1 PC 26 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40406-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-414-8109?

There are 9 known substitutes for 4820-01-414-8109: 3110-00-554-3468, 5935-01-122-8034, 5945-01-167-8045 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 842-01?

Key specifications for 842-01: End Item Identification: 4 IN. TRAC STYLE H SEAWATER PRESSURE REDUCING VALVE IN; Outside Diameter: 5.000 INCHES NOMINAL IN; Media for Which Designed: WATER, SALT; Style Designator: PLAIN. 7 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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