NSN 4820-01-666-5423 · NIIN 016665423 · Part number FF90591-04
Danfoss Power Solutions II, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 45X75
Government record, cited
NSN 4820-01-666-5423 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-666-5423. Manufacturer of record part number: FF90591-04.
Also searched as4820-01-666-5423 ·
4820016665423 ·
NIIN 016665423 ·
01-666-5423 ·
FSC 4820 Valves, Nonpowered · CAGE 45X75 · FF90591-04
Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Second Connection Face to Centerline Distance: 0.81 INCHES IN
First Connection Face to Centerline Distance: 1.13 INCHES IN
Material: COPPER ALLOY BODY
Identification
NSN: 4820-01-666-5423
NIIN: 016665423
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: FF90591-04
Manufacturer: Danfoss Power Solutions II, Llc
General Description
The Valve,ball, cataloged under National Stock Number 4820-01-666-5423, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 9 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 4820-01-666-5423?
NSN 4820-01-666-5423 is a Valve,ball, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-666-5423?
NSN 4820-01-666-5423 has 1 manufacturer part number on file: FF90591-04 (Danfoss Power Solutions II, Llc).
What are the specifications of FF90591-04?
Key specifications for FF90591-04: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Valve Size: 0.250 INCHES IN; Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-666-5423 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.