PartsTable TECHNICAL DATA SHEET
NSN 4820-01-442-4544Government record, cited

Valve, Foot4820-01-442-4544

NSN 4820-01-442-4544 · NIIN 014424544 · Part number DFVS-20
Dixon Valve & Coupling Company, Llc Div Dixon Fire · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 72661
Government record, cited
NSN 4820-01-442-4544 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-442-4544. Manufacturer of record part number: DFVS-20.
Also searched as  4820-01-442-4544 · 4820014424544 · NIIN 014424544 · 01-442-4544 · FSC 4820 Valves, Nonpowered · CAGE 72661 · DFVS-20
Nearby stock numbers  ·
Features
  • Valve,foot — FSC 4820
  • Renewable Seat Ring Type: PRESSED-IN
  • Body Style: LOW OR MEDIUM PRESSURE (SCREWED)
  • End Connection Quantity: 2
  • Material: IRON BODY
  • Material: IRON SEAT
  • 1 manufacturer part number on file
  • Manufacturer of record: Dixon Valve & Coupling Company, Llc Div Dixon Fire
Identification
  • NSN: 4820-01-442-4544
  • NIIN: 014424544
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: DFVS-20
  • Manufacturer: Dixon Valve & Coupling Company, Llc Div Dixon Fire
General Description

The Valve,foot, cataloged under National Stock Number 4820-01-442-4544, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dixon Valve & Coupling Company, Llc Div Dixon Fire. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-442-4544
Primary Part NumberDFVS-20
Item NameValve,foot
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerDixon Valve & Coupling Company, Llc Div Dixon Fire
StatusACTIVE
Renewable Seat Ring TypePRESSED-IN
Body StyleLOW OR MEDIUM PRESSURE (SCREWED)
End Connection Quantity2
MaterialIRON BODY
MaterialIRON SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
DFVS-20 PRIMARY Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-442-4544?

NSN 4820-01-442-4544 is a Valve,foot, manufactured by Dixon Valve & Coupling Company, Llc Div Dixon Fire, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-442-4544?

NSN 4820-01-442-4544 has 1 manufacturer part number on file: DFVS-20 (Dixon Valve & Coupling Company, Llc Div Dixon Fire).

What are the specifications of DFVS-20?

Key specifications for DFVS-20: Renewable Seat Ring Type: PRESSED-IN; Body Style: LOW OR MEDIUM PRESSURE (SCREWED); End Connection Quantity: 2; Special Features: VALVE SIZE 1.500IN. IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-442-4544 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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