NSN 4820-01-648-9903 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-648-9903. Manufacturer of record part number: 728843.
Also searched as4820-01-648-9903 ·
4820016489903 ·
NIIN 016489903 ·
01-648-9903 ·
FSC 4820 Valves, Nonpowered · CAGE 78385 · 728843
The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-648-9903, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt Troy Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Leonardo Spa Helicopters Division - Production Site (ITA)
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 4820-01-648-9903?
NSN 4820-01-648-9903 is a Regulator,thermostatic Temperatu, manufactured by Meggitt Troy Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-648-9903?
NSN 4820-01-648-9903 has 2 manufacturer part numbers on file: 728843 (Meggitt Troy Inc), 728843 (Leonardo Spa Helicopters Division - Production Site).
What are the specifications of 728843?
Key specifications for 728843: Part Name Assigned by Controlling Agency: VALVE, THERMOSTATIC. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-648-9903 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.