NSN 4820-01-457-0553 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-457-0553. Manufacturer of record part number: S2 80T120-2-FT.
Temp Rating: 80.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF
4 manufacturer part numbers on file
Manufacturer of record: Lawler Manufacturing Company, Inc.
Identification
NSN: 4820-01-457-0553
NIIN: 014570553
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: S2 80T120-2-FT
Manufacturer: Lawler Manufacturing Company, Inc.
General Description
The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-457-0553, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-457-0553
Primary Part Number
S2 80T120-2-FT
Item Name
Valve,regulating,temperature
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Lawler Manufacturing Company, Inc.
Status
ACTIVE
Temp Rating
80.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-457-0553?
NSN 4820-01-457-0553 is a Valve,regulating,temperature, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-457-0553?
Key specifications for S2 80T120-2-FT: Temp Rating: 80.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF; Special Features: VALVE SZ 2.000 IN.; W/MANUAL OVERRIDE; NON-ASBESTOS IN; End Item Identification: NIMITZ CLASS CVN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-457-0553 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.