NSN 4820-01-549-5594 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-549-5594. Manufacturer of record part number: 000454188.
Manufacturer of record: Greenheck Fan Corporation Dba Greenheck Fan Corp
Identification
NSN: 4820-01-549-5594
NIIN: 015495594
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 000454188
Manufacturer: Greenheck Fan Corporation Dba Greenheck Fan Corp
General Description
The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-549-5594, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Greenheck Fan Corporation Dba Greenheck Fan Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Greenheck Fan Corporation Dba Greenheck Fan Corp (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 4820-01-549-5594?
NSN 4820-01-549-5594 is a Valve,vacuum Breaking, manufactured by Greenheck Fan Corporation Dba Greenheck Fan Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-549-5594?
NSN 4820-01-549-5594 has 2 manufacturer part numbers on file: 454188 (Greenheck Fan Corporation Dba Greenheck Fan Corp), 000454188 (Greenheck Fan Corporation Dba Greenheck Fan Corp).
What are the specifications of 000454188?
Key specifications for 000454188: Part Name Assigned by Controlling Agency: DETERGENT LINE ANTI SIPHON CHECK VALVE; End Item Identification: WATER WASH CONTROL PANEL FOR LCS1. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-549-5594 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.