PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

561-06Stem,fluid Valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-584-6456 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-584-6456 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-584-6456. Primary manufacturer part number: 561-06.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Model Number for Which Designed: 40777-2
  • Material: STEEL CORROSION RESISTING
  • Valve Size for Which Designed: 2.500 INCHES IN
  • 2 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 Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-584-6456, 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 3 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-584-6456
Primary Part Number561-06
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Valve Model Number for Which Designed40777-2
MaterialSTEEL CORROSION RESISTING
Valve Size for Which Designed2.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-056-9589434-0039-002 INTERCHANGEABLE
Washer,flat
Seastrom Manufacturing Co Inc
3040-00-327-5150SM-B-187379 INTERCHANGEABLE
Shaft,shouldered
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-492-7306LP19B INTERCHANGEABLE
Strainer,sediment
Wisconsin Motors, Llc
Cross-Reference Index
Part NumberManufacturer
40777-2 PC.NO.23 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
561-06 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5310-00-056-9589INTERCHANGEABLE
WASHER,FLAT
434-0039-002
3040-00-327-5150INTERCHANGEABLE
SHAFT,SHOULDERED
SM-B-187379
4730-00-492-7306INTERCHANGEABLE
STRAINER,SEDIMENT
LP19B

Frequently Asked Questions

What is NSN 4820-01-584-6456?

NSN 4820-01-584-6456 is a Stem,fluid 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 4820-01-584-6456?

NSN 4820-01-584-6456 has 2 cross-referenced part numbers: 40777-2 PC.NO.23 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 561-06 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-584-6456?

There are 3 known substitutes for 4820-01-584-6456: 5310-00-056-9589, 3040-00-327-5150, 4730-00-492-7306. Verify interchangeability with system specifications before substitution.

What are the specifications of 561-06?

Key specifications for 561-06: End Item Identification: NEW CONSTRUCTION LHA6; Valve Model Number for Which Designed: 40777-2; Part Name Assigned by Controlling Agency: STEM,VALVE; Material: STEEL CORROSION RESISTING. 5 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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