Valve, Safety Relief 4820-01-455-0499 NSN 4820-01-455-0499 · NIIN 014550499 · Part number D50FF-03-.25
Dante Valve Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 5P967
NSN 4820-01-455-0499 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-455-0499. Manufacturer of record part number: D50FF-03-.25 .
Also searched as
4820-01-455-0499 ·
4820014550499 ·
NIIN 014550499 ·
01-455-0499 ·
FSC 4820 Valves, Nonpowered · CAGE 5P967 · D50FF-03-.25
Nearby stock numbers
← 4820-01-455-0487 Flange, Gland, Valve
·
4820-01-455-0530 Valve, Globe →
4820-01-455-0499 — Valves, Nonpowered
Features
Valve,safety Relief — FSC 4820 1 manufacturer part number on file Manufacturer of record: Dante Valve Company
Identification
NSN: 4820-01-455-0499
NIIN: 014550499
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: D50FF-03-.25
Manufacturer: Dante Valve Company
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-455-0499, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Valve,safety Relief FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Dante Valve Company (CAGE 5P967)
Technical Specifications
Parameter Value NSN 4820-01-455-0499 Primary Part Number D50FF-03-.25 Item Name Valve,safety Relief FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Dante Valve Company Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
D50FF-03-.25 PRIMARY Dante Valve Company (USA)
Reference documents
Reference Meaning
D50FF-03-.25
3/9 Design control — primary reference Danco Valve Company
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.
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4820-00-001-0032 · Item name not on file
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4820-00-001-0042 · Item name not on file
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4820-00-001-1230 · Item name not on file
Related Parts in Valves
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4820-00-001-0020 · Item name not on file
4820-00-001-0021
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4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
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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 4820-01-455-0499?
NSN 4820-01-455-0499 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-455-0499?
NSN 4820-01-455-0499 has 1 manufacturer part number on file: D50FF-03-.25 (Dante Valve Company).
Is NSN 4820-01-455-0499 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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