NSN 4820-01-665-4285 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-665-4285. Manufacturer of record part number: EV46158ALTS.
Also searched as4820-01-665-4285 ·
4820016654285 ·
NIIN 016654285 ·
01-665-4285 ·
FSC 4820 Valves, Nonpowered · CAGE 13226 · EV46158ALTS
Bolt Hole Nominal Diameter: 0.5625 INCHES SECOND END IN
Valve Size: 3.0 INCHES IN
Bolt Hole Quantity: 6 SECOND END
1 manufacturer part number on file
Manufacturer of record: Betts Industries, Inc.
Identification
NSN: 4820-01-665-4285
NIIN: 016654285
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: EV46158ALTS
Manufacturer: Betts Industries, Inc.
General Description
The Valve,safety Relief,remote Contr, cataloged under National Stock Number 4820-01-665-4285, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Betts Industries, Inc.. 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 4820-01-665-4285?
NSN 4820-01-665-4285 is a Valve,safety Relief,remote Contr, manufactured by Betts Industries, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-665-4285?
NSN 4820-01-665-4285 has 1 manufacturer part number on file: EV46158ALTS (Betts Industries, Inc.).
What are the specifications of EV46158ALTS?
Key specifications for EV46158ALTS: Flange Shape: ROUND WITH HOLES SECOND END; Connection Type: FLANGE SECOND END; Bolt Hole Nominal Diameter: 0.5625 INCHES SECOND END IN; Valve Size: 3.0 INCHES IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-665-4285 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.