NSN 4820-01-440-4945 · NIIN 014404945 · Part number MK80 195561A
Richards Industries Valve Group Jordan Valve Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 21476
Government record, cited
NSN 4820-01-440-4945 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-440-4945. Manufacturer of record part number: MK80 195561A.
Operating Temp Rating: 110.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF
1 manufacturer part number on file
Manufacturer of record: Richards Industries Valve Group Jordan Valve Div
Identification
NSN: 4820-01-440-4945
NIIN: 014404945
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: MK80 195561A
Manufacturer: Richards Industries Valve Group Jordan Valve Div
General Description
The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-440-4945, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Valve Group Jordan Valve Div. Government technical data includes 2 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.
Technical Specifications
Parameter
Value
NSN
4820-01-440-4945
Primary Part Number
MK80 195561A
Item Name
Regulator,thermostatic Temperatu
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Richards Industries Valve Group Jordan Valve Div
Status
ACTIVE
Bulb Length
12.000 INCHES NOMINAL IN
Operating Temp Rating
110.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF
Richards Industries Valve Group Jordan Valve Div (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 4820-01-440-4945?
NSN 4820-01-440-4945 is a Regulator,thermostatic Temperatu, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-440-4945?
NSN 4820-01-440-4945 has 1 manufacturer part number on file: MK80 195561A (Richards Industries Valve Group Jordan Valve Div).
What are the specifications of MK80 195561A?
Key specifications for MK80 195561A: Bulb Length: 12.000 INCHES NOMINAL IN; Operating Temp Rating: 110.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-440-4945 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.